25156720100

素因数分解:

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

素因数の和:2470

約数の個数: 144

約数和(自身を含む): 59651182080

約数和(自身を除く): 34494461980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 193, 310, 380, 386, 475, 589, 620, 772, 775, 950, 965, 1178, 1550, 1900, 1930, 2213, 2356, 2945, 3100, 3667, 3860, 4426, 4825, 5890, 5983, 7334, 8852, 9650, 11065, 11780, 11966, 14668, 14725, 18335, 19300, 22130, 23932, 29450, 29915, 36670, 42047, 44260, 55325, 58900, 59830, 68603, 73340, 84094, 91675, 110650, 113677, 119660, 137206, 149575, 168188, 183350, 210235, 221300, 227354, 274412, 299150, 343015, 366700, 420470, 427109, 454708, 568385, 598300, 686030, 840940, 854218, 1051175, 1136770, 1303457, 1372060, 1708436, 1715075, 2102350, 2135545, 2273540, 2606914, 2841925, 3430150, 4204700, 4271090, 5213828, 5683850, 6517285, 6860300, 8115071, 8542180, 10677725, 11367700, 13034570, 13240379, 16230142, 21355450, 26069140, 26480758, 32460284, 32586425, 40575355, 42710900, 52961516, 65172850, 66201895, 81150710, 130345700, 132403790, 162301420, 202876775, 251567201, 264807580, 331009475, 405753550, 503134402, 662018950, 811507100, 1006268804, 1257836005, 1324037900, 2515672010, 5031344020, 6289180025, 12578360050, 25156720100]

約数ペア:

[(1, 25156720100), (2, 12578360050), (4, 6289180025), (5, 5031344020), (10, 2515672010), (19, 1324037900), (20, 1257836005), (25, 1006268804), (31, 811507100), (38, 662018950), (50, 503134402), (62, 405753550), (76, 331009475), (95, 264807580), (100, 251567201), (124, 202876775), (155, 162301420), (190, 132403790), (193, 130345700), (310, 81150710), (380, 66201895), (386, 65172850), (475, 52961516), (589, 42710900), (620, 40575355), (772, 32586425), (775, 32460284), (950, 26480758), (965, 26069140), (1178, 21355450), (1550, 16230142), (1900, 13240379), (1930, 13034570), (2213, 11367700), (2356, 10677725), (2945, 8542180), (3100, 8115071), (3667, 6860300), (3860, 6517285), (4426, 5683850), (4825, 5213828), (5890, 4271090), (5983, 4204700), (7334, 3430150), (8852, 2841925), (9650, 2606914), (11065, 2273540), (11780, 2135545), (11966, 2102350), (14668, 1715075), (14725, 1708436), (18335, 1372060), (19300, 1303457), (22130, 1136770), (23932, 1051175), (29450, 854218), (29915, 840940), (36670, 686030), (42047, 598300), (44260, 568385), (55325, 454708), (58900, 427109), (59830, 420470), (68603, 366700), (73340, 343015), (84094, 299150), (91675, 274412), (110650, 227354), (113677, 221300), (119660, 210235), (137206, 183350), (149575, 168188)]