65381240

素因数分解:

$2^3\times 5^1\times {\mathrm{1634531}}^1$

素因数の和:1634542

約数の個数: 16

約数和(自身を含む): 147107880

約数和(自身を除く): 81726640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1634531, 3269062, 6538124, 8172655, 13076248, 16345310, 32690620, 65381240]

約数ペア:

[(1, 65381240), (2, 32690620), (4, 16345310), (5, 13076248), (8, 8172655), (10, 6538124), (20, 3269062), (40, 1634531)]