57815020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15971}}^1$

素因数の和:16161

約数の個数: 24

約数和(自身を含む): 122089968

約数和(自身を除く): 64274948

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 15971, 31942, 63884, 79855, 159710, 319420, 2890751, 5781502, 11563004, 14453755, 28907510, 57815020]

約数ペア:

[(1, 57815020), (2, 28907510), (4, 14453755), (5, 11563004), (10, 5781502), (20, 2890751), (181, 319420), (362, 159710), (724, 79855), (905, 63884), (1810, 31942), (3620, 15971)]