64407640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146381}}^1$

素因数の和:146403

約数の個数: 32

約数和(自身を含む): 158092560

約数和(自身を除く): 93684920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 146381, 292762, 585524, 731905, 1171048, 1463810, 1610191, 2927620, 3220382, 5855240, 6440764, 8050955, 12881528, 16101910, 32203820, 64407640]

約数ペア:

[(1, 64407640), (2, 32203820), (4, 16101910), (5, 12881528), (8, 8050955), (10, 6440764), (11, 5855240), (20, 3220382), (22, 2927620), (40, 1610191), (44, 1463810), (55, 1171048), (88, 731905), (110, 585524), (220, 292762), (440, 146381)]