8165980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2281}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 17251920

約数和(自身を除く): 9085940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2281, 3580, 4562, 9124, 11405, 22810, 45620, 408299, 816598, 1633196, 2041495, 4082990, 8165980]

約数ペア:

[(1, 8165980), (2, 4082990), (4, 2041495), (5, 1633196), (10, 816598), (20, 408299), (179, 45620), (358, 22810), (716, 11405), (895, 9124), (1790, 4562), (2281, 3580)]