31303640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41189}}^1$

素因数の和:41219

約数の個数: 32

約数和(自身を含む): 74142000

約数和(自身を除く): 42838360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 41189, 82378, 164756, 205945, 329512, 411890, 782591, 823780, 1565182, 1647560, 3130364, 3912955, 6260728, 7825910, 15651820, 31303640]

約数ペア:

[(1, 31303640), (2, 15651820), (4, 7825910), (5, 6260728), (8, 3912955), (10, 3130364), (19, 1647560), (20, 1565182), (38, 823780), (40, 782591), (76, 411890), (95, 329512), (152, 205945), (190, 164756), (380, 82378), (760, 41189)]