520050920

素因数分解:

$2^3\times 5^1\times {\mathrm{13001273}}^1$

素因数の和:13001284

約数の個数: 16

約数和(自身を含む): 1170114660

約数和(自身を除く): 650063740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001273, 26002546, 52005092, 65006365, 104010184, 130012730, 260025460, 520050920]

約数ペア:

[(1, 520050920), (2, 260025460), (4, 130012730), (5, 104010184), (8, 65006365), (10, 52005092), (20, 26002546), (40, 13001273)]