260408045

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1\times {\mathrm{811}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 315705600

約数和(自身を除く): 55297555

約数列:

[1, 5, 149, 431, 745, 811, 2155, 4055, 64219, 120839, 321095, 349541, 604195, 1747705, 52081609, 260408045]

約数ペア:

[(1, 260408045), (5, 52081609), (149, 1747705), (431, 604195), (745, 349541), (811, 321095), (2155, 120839), (4055, 64219)]