66093640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 153861120

約数和(自身を除く): 87767480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 191, 205, 211, 328, 382, 410, 422, 764, 820, 844, 955, 1055, 1528, 1640, 1688, 1910, 2110, 3820, 4220, 7640, 7831, 8440, 8651, 15662, 17302, 31324, 34604, 39155, 40301, 43255, 62648, 69208, 78310, 80602, 86510, 156620, 161204, 173020, 201505, 313240, 322408, 346040, 403010, 806020, 1612040, 1652341, 3304682, 6609364, 8261705, 13218728, 16523410, 33046820, 66093640]

約数ペア:

[(1, 66093640), (2, 33046820), (4, 16523410), (5, 13218728), (8, 8261705), (10, 6609364), (20, 3304682), (40, 1652341), (41, 1612040), (82, 806020), (164, 403010), (191, 346040), (205, 322408), (211, 313240), (328, 201505), (382, 173020), (410, 161204), (422, 156620), (764, 86510), (820, 80602), (844, 78310), (955, 69208), (1055, 62648), (1528, 43255), (1640, 40301), (1688, 39155), (1910, 34604), (2110, 31324), (3820, 17302), (4220, 15662), (7640, 8651), (7831, 8440)]