40624415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20161}}^1$

素因数の和:20210

約数の個数: 16

約数和(自身を含む): 54195456

約数和(自身を除く): 13571041

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 20161, 100805, 262093, 624991, 1310465, 3124955, 8124883, 40624415]

約数ペア:

[(1, 40624415), (5, 8124883), (13, 3124955), (31, 1310465), (65, 624991), (155, 262093), (403, 100805), (2015, 20161)]