20125376080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{2213}}^1$

素因数の和:2469

約数の個数: 160

約数和(自身を含む): 51129584640

約数和(自身を除く): 31004208560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 193, 248, 304, 310, 380, 386, 496, 589, 620, 760, 772, 965, 1178, 1240, 1520, 1544, 1930, 2213, 2356, 2480, 2945, 3088, 3667, 3860, 4426, 4712, 5890, 5983, 7334, 7720, 8852, 9424, 11065, 11780, 11966, 14668, 15440, 17704, 18335, 22130, 23560, 23932, 29336, 29915, 35408, 36670, 42047, 44260, 47120, 47864, 58672, 59830, 68603, 73340, 84094, 88520, 95728, 113677, 119660, 137206, 146680, 168188, 177040, 210235, 227354, 239320, 274412, 293360, 336376, 343015, 420470, 427109, 454708, 478640, 548824, 568385, 672752, 686030, 840940, 854218, 909416, 1097648, 1136770, 1303457, 1372060, 1681880, 1708436, 1818832, 2135545, 2273540, 2606914, 2744120, 3363760, 3416872, 4271090, 4547080, 5213828, 5488240, 6517285, 6833744, 8115071, 8542180, 9094160, 10427656, 13034570, 13240379, 16230142, 17084360, 20855312, 26069140, 26480758, 32460284, 34168720, 40575355, 52138280, 52961516, 64920568, 66201895, 81150710, 104276560, 105923032, 129841136, 132403790, 162301420, 211846064, 251567201, 264807580, 324602840, 503134402, 529615160, 649205680, 1006268804, 1059230320, 1257836005, 2012537608, 2515672010, 4025075216, 5031344020, 10062688040, 20125376080]

約数ペア:

[(1, 20125376080), (2, 10062688040), (4, 5031344020), (5, 4025075216), (8, 2515672010), (10, 2012537608), (16, 1257836005), (19, 1059230320), (20, 1006268804), (31, 649205680), (38, 529615160), (40, 503134402), (62, 324602840), (76, 264807580), (80, 251567201), (95, 211846064), (124, 162301420), (152, 132403790), (155, 129841136), (190, 105923032), (193, 104276560), (248, 81150710), (304, 66201895), (310, 64920568), (380, 52961516), (386, 52138280), (496, 40575355), (589, 34168720), (620, 32460284), (760, 26480758), (772, 26069140), (965, 20855312), (1178, 17084360), (1240, 16230142), (1520, 13240379), (1544, 13034570), (1930, 10427656), (2213, 9094160), (2356, 8542180), (2480, 8115071), (2945, 6833744), (3088, 6517285), (3667, 5488240), (3860, 5213828), (4426, 4547080), (4712, 4271090), (5890, 3416872), (5983, 3363760), (7334, 2744120), (7720, 2606914), (8852, 2273540), (9424, 2135545), (11065, 1818832), (11780, 1708436), (11966, 1681880), (14668, 1372060), (15440, 1303457), (17704, 1136770), (18335, 1097648), (22130, 909416), (23560, 854218), (23932, 840940), (29336, 686030), (29915, 672752), (35408, 568385), (36670, 548824), (42047, 478640), (44260, 454708), (47120, 427109), (47864, 420470), (58672, 343015), (59830, 336376), (68603, 293360), (73340, 274412), (84094, 239320), (88520, 227354), (95728, 210235), (113677, 177040), (119660, 168188), (137206, 146680)]