680760730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{402817}}^1$

素因数の和:402850

約数の個数: 24

約数和(自身を含む): 1326882492

約数和(自身を除く): 646121762

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 402817, 805634, 2014085, 4028170, 5236621, 10473242, 26183105, 52366210, 68076073, 136152146, 340380365, 680760730]

約数ペア:

[(1, 680760730), (2, 340380365), (5, 136152146), (10, 68076073), (13, 52366210), (26, 26183105), (65, 10473242), (130, 5236621), (169, 4028170), (338, 2014085), (845, 805634), (1690, 402817)]