8636440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3041}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 19712160

約数和(自身を除く): 11075720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3041, 6082, 12164, 15205, 24328, 30410, 60820, 121640, 215911, 431822, 863644, 1079555, 1727288, 2159110, 4318220, 8636440]

約数ペア:

[(1, 8636440), (2, 4318220), (4, 2159110), (5, 1727288), (8, 1079555), (10, 863644), (20, 431822), (40, 215911), (71, 121640), (142, 60820), (284, 30410), (355, 24328), (568, 15205), (710, 12164), (1420, 6082), (2840, 3041)]