55757960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 133902720

約数和(自身を除く): 78144760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 167, 170, 334, 340, 491, 668, 680, 835, 982, 1336, 1670, 1964, 2455, 2839, 3340, 3928, 4910, 5678, 6680, 8347, 9820, 11356, 14195, 16694, 19640, 22712, 28390, 33388, 41735, 56780, 66776, 81997, 83470, 113560, 163994, 166940, 327988, 333880, 409985, 655976, 819970, 1393949, 1639940, 2787898, 3279880, 5575796, 6969745, 11151592, 13939490, 27878980, 55757960]

約数ペア:

[(1, 55757960), (2, 27878980), (4, 13939490), (5, 11151592), (8, 6969745), (10, 5575796), (17, 3279880), (20, 2787898), (34, 1639940), (40, 1393949), (68, 819970), (85, 655976), (136, 409985), (167, 333880), (170, 327988), (334, 166940), (340, 163994), (491, 113560), (668, 83470), (680, 81997), (835, 66776), (982, 56780), (1336, 41735), (1670, 33388), (1964, 28390), (2455, 22712), (2839, 19640), (3340, 16694), (3928, 14195), (4910, 11356), (5678, 9820), (6680, 8347)]