221013160

素因数分解:

$2^3\times 5^1\times {\mathrm{5525329}}^1$

素因数の和:5525340

約数の個数: 16

約数和(自身を含む): 497279700

約数和(自身を除く): 276266540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5525329, 11050658, 22101316, 27626645, 44202632, 55253290, 110506580, 221013160]

約数ペア:

[(1, 221013160), (2, 110506580), (4, 55253290), (5, 44202632), (8, 27626645), (10, 22101316), (20, 11050658), (40, 5525329)]