25997660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99991}}^1$

素因数の和:100013

約数の個数: 24

約数和(自身を含む): 58795296

約数和(自身を除く): 32797636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99991, 199982, 399964, 499955, 999910, 1299883, 1999820, 2599766, 5199532, 6499415, 12998830, 25997660]

約数ペア:

[(1, 25997660), (2, 12998830), (4, 6499415), (5, 5199532), (10, 2599766), (13, 1999820), (20, 1299883), (26, 999910), (52, 499955), (65, 399964), (130, 199982), (260, 99991)]