166481620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{93529}}^1$

素因数の和:93627

約数の個数: 24

約数和(自身を含む): 353543400

約数和(自身を除く): 187061780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 93529, 187058, 374116, 467645, 935290, 1870580, 8324081, 16648162, 33296324, 41620405, 83240810, 166481620]

約数ペア:

[(1, 166481620), (2, 83240810), (4, 41620405), (5, 33296324), (10, 16648162), (20, 8324081), (89, 1870580), (178, 935290), (356, 467645), (445, 374116), (890, 187058), (1780, 93529)]