3865640

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 8755560

約数和(自身を除く): 4889920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 401, 482, 802, 964, 1205, 1604, 1928, 2005, 2410, 3208, 4010, 4820, 8020, 9640, 16040, 96641, 193282, 386564, 483205, 773128, 966410, 1932820, 3865640]

約数ペア:

[(1, 3865640), (2, 1932820), (4, 966410), (5, 773128), (8, 483205), (10, 386564), (20, 193282), (40, 96641), (241, 16040), (401, 9640), (482, 8020), (802, 4820), (964, 4010), (1205, 3208), (1604, 2410), (1928, 2005)]