31710680

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1171}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 71515440

約数和(自身を除く): 39804760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1171, 1354, 2342, 2708, 3385, 4684, 5416, 5855, 6770, 9368, 11710, 13540, 23420, 27080, 46840, 792767, 1585534, 3171068, 3963835, 6342136, 7927670, 15855340, 31710680]

約数ペア:

[(1, 31710680), (2, 15855340), (4, 7927670), (5, 6342136), (8, 3963835), (10, 3171068), (20, 1585534), (40, 792767), (677, 46840), (1171, 27080), (1354, 23420), (2342, 13540), (2708, 11710), (3385, 9368), (4684, 6770), (5416, 5855)]