31540730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{242621}}^1$

素因数の和:242641

約数の個数: 16

約数和(自身を含む): 61140744

約数和(自身を除く): 29600014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 242621, 485242, 1213105, 2426210, 3154073, 6308146, 15770365, 31540730]

約数ペア:

[(1, 31540730), (2, 15770365), (5, 6308146), (10, 3154073), (13, 2426210), (26, 1213105), (65, 485242), (130, 242621)]