31284080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23003}}^1$

素因数の和:23033

約数の個数: 40

約数和(自身を含む): 77017392

約数和(自身を除く): 45733312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23003, 46006, 92012, 115015, 184024, 230030, 368048, 391051, 460060, 782102, 920120, 1564204, 1840240, 1955255, 3128408, 3910510, 6256816, 7821020, 15642040, 31284080]

約数ペア:

[(1, 31284080), (2, 15642040), (4, 7821020), (5, 6256816), (8, 3910510), (10, 3128408), (16, 1955255), (17, 1840240), (20, 1564204), (34, 920120), (40, 782102), (68, 460060), (80, 391051), (85, 368048), (136, 230030), (170, 184024), (272, 115015), (340, 92012), (680, 46006), (1360, 23003)]