31181350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{20117}}^1$

素因数の和:20160

約数の個数: 24

約数和(自身を含む): 59871168

約数和(自身を除く): 28689818

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 20117, 40234, 100585, 201170, 502925, 623627, 1005850, 1247254, 3118135, 6236270, 15590675, 31181350]

約数ペア:

[(1, 31181350), (2, 15590675), (5, 6236270), (10, 3118135), (25, 1247254), (31, 1005850), (50, 623627), (62, 502925), (155, 201170), (310, 100585), (775, 40234), (1550, 20117)]