704080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 1765512

約数和(自身を除く): 1061432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 677, 1040, 1354, 2708, 3385, 5416, 6770, 8801, 10832, 13540, 17602, 27080, 35204, 44005, 54160, 70408, 88010, 140816, 176020, 352040, 704080]

約数ペア:

[(1, 704080), (2, 352040), (4, 176020), (5, 140816), (8, 88010), (10, 70408), (13, 54160), (16, 44005), (20, 35204), (26, 27080), (40, 17602), (52, 13540), (65, 10832), (80, 8801), (104, 6770), (130, 5416), (208, 3385), (260, 2708), (520, 1354), (677, 1040)]