42103820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 97499808

約数和(自身を除く): 55395988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 1973, 2134, 3946, 4268, 5335, 7892, 9865, 10670, 19730, 21340, 21703, 39460, 43406, 86812, 108515, 191381, 217030, 382762, 434060, 765524, 956905, 1913810, 2105191, 3827620, 4210382, 8420764, 10525955, 21051910, 42103820]

約数ペア:

[(1, 42103820), (2, 21051910), (4, 10525955), (5, 8420764), (10, 4210382), (11, 3827620), (20, 2105191), (22, 1913810), (44, 956905), (55, 765524), (97, 434060), (110, 382762), (194, 217030), (220, 191381), (388, 108515), (485, 86812), (970, 43406), (1067, 39460), (1940, 21703), (1973, 21340), (2134, 19730), (3946, 10670), (4268, 9865), (5335, 7892)]