79910680

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3259}}^1$

素因数の和:3883

約数の個数: 32

約数和(自身を含む): 180147600

約数和(自身を除く): 100236920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3259, 4904, 6130, 6518, 12260, 13036, 16295, 24520, 26072, 32590, 65180, 130360, 1997767, 3995534, 7991068, 9988835, 15982136, 19977670, 39955340, 79910680]

約数ペア:

[(1, 79910680), (2, 39955340), (4, 19977670), (5, 15982136), (8, 9988835), (10, 7991068), (20, 3995534), (40, 1997767), (613, 130360), (1226, 65180), (2452, 32590), (3065, 26072), (3259, 24520), (4904, 16295), (6130, 13036), (6518, 12260)]