8404220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38201}}^1$

素因数の和:38221

約数の個数: 24

約数和(自身を含む): 19253808

約数和(自身を除く): 10849588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 38201, 76402, 152804, 191005, 382010, 420211, 764020, 840422, 1680844, 2101055, 4202110, 8404220]

約数ペア:

[(1, 8404220), (2, 4202110), (4, 2101055), (5, 1680844), (10, 840422), (11, 764020), (20, 420211), (22, 382010), (44, 191005), (55, 152804), (110, 76402), (220, 38201)]