8940560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 22391424

約数和(自身を除く): 13450864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 113, 115, 172, 184, 215, 226, 230, 344, 368, 430, 452, 460, 565, 688, 860, 904, 920, 989, 1130, 1720, 1808, 1840, 1978, 2260, 2599, 3440, 3956, 4520, 4859, 4945, 5198, 7912, 9040, 9718, 9890, 10396, 12995, 15824, 19436, 19780, 20792, 24295, 25990, 38872, 39560, 41584, 48590, 51980, 77744, 79120, 97180, 103960, 111757, 194360, 207920, 223514, 388720, 447028, 558785, 894056, 1117570, 1788112, 2235140, 4470280, 8940560]

約数ペア:

[(1, 8940560), (2, 4470280), (4, 2235140), (5, 1788112), (8, 1117570), (10, 894056), (16, 558785), (20, 447028), (23, 388720), (40, 223514), (43, 207920), (46, 194360), (80, 111757), (86, 103960), (92, 97180), (113, 79120), (115, 77744), (172, 51980), (184, 48590), (215, 41584), (226, 39560), (230, 38872), (344, 25990), (368, 24295), (430, 20792), (452, 19780), (460, 19436), (565, 15824), (688, 12995), (860, 10396), (904, 9890), (920, 9718), (989, 9040), (1130, 7912), (1720, 5198), (1808, 4945), (1840, 4859), (1978, 4520), (2260, 3956), (2599, 3440)]