31642660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 76930560

約数和(自身を除く): 45287900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 2861, 5530, 5722, 11060, 11444, 14305, 20027, 28610, 40054, 57220, 80108, 100135, 200270, 226019, 400540, 452038, 904076, 1130095, 1582133, 2260190, 3164266, 4520380, 6328532, 7910665, 15821330, 31642660]

約数ペア:

[(1, 31642660), (2, 15821330), (4, 7910665), (5, 6328532), (7, 4520380), (10, 3164266), (14, 2260190), (20, 1582133), (28, 1130095), (35, 904076), (70, 452038), (79, 400540), (140, 226019), (158, 200270), (316, 100135), (395, 80108), (553, 57220), (790, 40054), (1106, 28610), (1580, 20027), (2212, 14305), (2765, 11444), (2861, 11060), (5530, 5722)]