15900940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72277}}^1$

素因数の和:72297

約数の個数: 24

約数和(自身を含む): 36428112

約数和(自身を除く): 20527172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72277, 144554, 289108, 361385, 722770, 795047, 1445540, 1590094, 3180188, 3975235, 7950470, 15900940]

約数ペア:

[(1, 15900940), (2, 7950470), (4, 3975235), (5, 3180188), (10, 1590094), (11, 1445540), (20, 795047), (22, 722770), (44, 361385), (55, 289108), (110, 144554), (220, 72277)]