39957760

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 66003200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 53, 62, 64, 76, 80, 95, 106, 124, 128, 152, 155, 160, 190, 212, 248, 256, 265, 304, 310, 320, 380, 424, 496, 530, 589, 608, 620, 640, 760, 848, 992, 1007, 1060, 1178, 1216, 1240, 1280, 1520, 1643, 1696, 1984, 2014, 2120, 2356, 2432, 2480, 2945, 3040, 3286, 3392, 3968, 4028, 4240, 4712, 4864, 4960, 5035, 5890, 6080, 6572, 6784, 7936, 8056, 8215, 8480, 9424, 9920, 10070, 11780, 12160, 13144, 13568, 16112, 16430, 16960, 18848, 19840, 20140, 23560, 24320, 26288, 31217, 32224, 32860, 33920, 37696, 39680, 40280, 47120, 52576, 62434, 64448, 65720, 67840, 75392, 80560, 94240, 105152, 124868, 128896, 131440, 150784, 156085, 161120, 188480, 210304, 249736, 257792, 262880, 312170, 322240, 376960, 420608, 499472, 525760, 624340, 644480, 753920, 998944, 1051520, 1248680, 1288960, 1997888, 2103040, 2497360, 3995776, 4994720, 7991552, 9989440, 19978880, 39957760]

約数ペア:

[(1, 39957760), (2, 19978880), (4, 9989440), (5, 7991552), (8, 4994720), (10, 3995776), (16, 2497360), (19, 2103040), (20, 1997888), (31, 1288960), (32, 1248680), (38, 1051520), (40, 998944), (53, 753920), (62, 644480), (64, 624340), (76, 525760), (80, 499472), (95, 420608), (106, 376960), (124, 322240), (128, 312170), (152, 262880), (155, 257792), (160, 249736), (190, 210304), (212, 188480), (248, 161120), (256, 156085), (265, 150784), (304, 131440), (310, 128896), (320, 124868), (380, 105152), (424, 94240), (496, 80560), (530, 75392), (589, 67840), (608, 65720), (620, 64448), (640, 62434), (760, 52576), (848, 47120), (992, 40280), (1007, 39680), (1060, 37696), (1178, 33920), (1216, 32860), (1240, 32224), (1280, 31217), (1520, 26288), (1643, 24320), (1696, 23560), (1984, 20140), (2014, 19840), (2120, 18848), (2356, 16960), (2432, 16430), (2480, 16112), (2945, 13568), (3040, 13144), (3286, 12160), (3392, 11780), (3968, 10070), (4028, 9920), (4240, 9424), (4712, 8480), (4864, 8215), (4960, 8056), (5035, 7936), (5890, 6784), (6080, 6572)]