219877360

素因数分解:

$2^4\times 5^1\times {\mathrm{2748467}}^1$

素因数の和:2748480

約数の個数: 20

約数和(自身を含む): 511215048

約数和(自身を除く): 291337688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2748467, 5496934, 10993868, 13742335, 21987736, 27484670, 43975472, 54969340, 109938680, 219877360]

約数ペア:

[(1, 219877360), (2, 109938680), (4, 54969340), (5, 43975472), (8, 27484670), (10, 21987736), (16, 13742335), (20, 10993868), (40, 5496934), (80, 2748467)]