15986440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5059}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 36432000

約数和(自身を除く): 20445560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5059, 10118, 20236, 25295, 40472, 50590, 101180, 202360, 399661, 799322, 1598644, 1998305, 3197288, 3996610, 7993220, 15986440]

約数ペア:

[(1, 15986440), (2, 7993220), (4, 3996610), (5, 3197288), (8, 1998305), (10, 1598644), (20, 799322), (40, 399661), (79, 202360), (158, 101180), (316, 50590), (395, 40472), (632, 25295), (790, 20236), (1580, 10118), (3160, 5059)]