31093640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7547}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 70649280

約数和(自身を除く): 39555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7547, 15094, 30188, 37735, 60376, 75470, 150940, 301880, 777341, 1554682, 3109364, 3886705, 6218728, 7773410, 15546820, 31093640]

約数ペア:

[(1, 31093640), (2, 15546820), (4, 7773410), (5, 6218728), (8, 3886705), (10, 3109364), (20, 1554682), (40, 777341), (103, 301880), (206, 150940), (412, 75470), (515, 60376), (824, 37735), (1030, 30188), (2060, 15094), (4120, 7547)]