520070420

素因数分解:

$2^2\times 5^1\times {\mathrm{26003521}}^1$

素因数の和:26003530

約数の個数: 12

約数和(自身を含む): 1092147924

約数和(自身を除く): 572077504

約数列:

[1, 2, 4, 5, 10, 20, 26003521, 52007042, 104014084, 130017605, 260035210, 520070420]

約数ペア:

[(1, 520070420), (2, 260035210), (4, 130017605), (5, 104014084), (10, 52007042), (20, 26003521)]