260055440

素因数分解:

$2^4\times 5^1\times {\mathrm{3250693}}^1$

素因数の和:3250706

約数の個数: 20

約数和(自身を含む): 604629084

約数和(自身を除く): 344573644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3250693, 6501386, 13002772, 16253465, 26005544, 32506930, 52011088, 65013860, 130027720, 260055440]

約数ペア:

[(1, 260055440), (2, 130027720), (4, 65013860), (5, 52011088), (8, 32506930), (10, 26005544), (16, 16253465), (20, 13002772), (40, 6501386), (80, 3250693)]