31056560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3769}}^1$

素因数の和:3885

約数の個数: 40

約数和(自身を含む): 72926880

約数和(自身を除く): 41870320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3769, 4120, 7538, 8240, 15076, 18845, 30152, 37690, 60304, 75380, 150760, 301520, 388207, 776414, 1552828, 1941035, 3105656, 3882070, 6211312, 7764140, 15528280, 31056560]

約数ペア:

[(1, 31056560), (2, 15528280), (4, 7764140), (5, 6211312), (8, 3882070), (10, 3105656), (16, 1941035), (20, 1552828), (40, 776414), (80, 388207), (103, 301520), (206, 150760), (412, 75380), (515, 60304), (824, 37690), (1030, 30152), (1648, 18845), (2060, 15076), (3769, 8240), (4120, 7538)]