16275820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 37594368

約数和(自身を除く): 21318548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 443, 668, 835, 886, 1670, 1772, 1837, 2215, 3340, 3674, 4430, 4873, 7348, 8860, 9185, 9746, 18370, 19492, 24365, 36740, 48730, 73981, 97460, 147962, 295924, 369905, 739810, 813791, 1479620, 1627582, 3255164, 4068955, 8137910, 16275820]

約数ペア:

[(1, 16275820), (2, 8137910), (4, 4068955), (5, 3255164), (10, 1627582), (11, 1479620), (20, 813791), (22, 739810), (44, 369905), (55, 295924), (110, 147962), (167, 97460), (220, 73981), (334, 48730), (443, 36740), (668, 24365), (835, 19492), (886, 18370), (1670, 9746), (1772, 9185), (1837, 8860), (2215, 7348), (3340, 4873), (3674, 4430)]