42168820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11779}}^1$

素因数の和:11967

約数の個数: 24

約数和(自身を含む): 89056800

約数和(自身を除く): 46887980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 11779, 23558, 47116, 58895, 117790, 235580, 2108441, 4216882, 8433764, 10542205, 21084410, 42168820]

約数ペア:

[(1, 42168820), (2, 21084410), (4, 10542205), (5, 8433764), (10, 4216882), (20, 2108441), (179, 235580), (358, 117790), (716, 58895), (895, 47116), (1790, 23558), (3580, 11779)]