620123080

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{8467}}^1$

素因数の和:10309

約数の個数: 32

約数和(自身を含む): 1396203840

約数和(自身を除く): 776080760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 8467, 9155, 14648, 16934, 18310, 33868, 36620, 42335, 67736, 73240, 84670, 169340, 338680, 15503077, 31006154, 62012308, 77515385, 124024616, 155030770, 310061540, 620123080]

約数ペア:

[(1, 620123080), (2, 310061540), (4, 155030770), (5, 124024616), (8, 77515385), (10, 62012308), (20, 31006154), (40, 15503077), (1831, 338680), (3662, 169340), (7324, 84670), (8467, 73240), (9155, 67736), (14648, 42335), (16934, 36620), (18310, 33868)]