78647960

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2467}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 177251760

約数和(自身を除く): 98603800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2467, 3188, 3985, 4934, 6376, 7970, 9868, 12335, 15940, 19736, 24670, 31880, 49340, 98680, 1966199, 3932398, 7864796, 9830995, 15729592, 19661990, 39323980, 78647960]

約数ペア:

[(1, 78647960), (2, 39323980), (4, 19661990), (5, 15729592), (8, 9830995), (10, 7864796), (20, 3932398), (40, 1966199), (797, 98680), (1594, 49340), (2467, 31880), (3188, 24670), (3985, 19736), (4934, 15940), (6376, 12335), (7970, 9868)]