39750040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 99234720

約数和(自身を除く): 59484680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 1481, 2440, 2684, 2962, 3355, 5368, 5924, 6710, 7405, 11848, 13420, 14810, 16291, 26840, 29620, 32582, 59240, 65164, 81455, 90341, 130328, 162910, 180682, 325820, 361364, 451705, 651640, 722728, 903410, 993751, 1806820, 1987502, 3613640, 3975004, 4968755, 7950008, 9937510, 19875020, 39750040]

約数ペア:

[(1, 39750040), (2, 19875020), (4, 9937510), (5, 7950008), (8, 4968755), (10, 3975004), (11, 3613640), (20, 1987502), (22, 1806820), (40, 993751), (44, 903410), (55, 722728), (61, 651640), (88, 451705), (110, 361364), (122, 325820), (220, 180682), (244, 162910), (305, 130328), (440, 90341), (488, 81455), (610, 65164), (671, 59240), (1220, 32582), (1342, 29620), (1481, 26840), (2440, 16291), (2684, 14810), (2962, 13420), (3355, 11848), (5368, 7405), (5924, 6710)]