40027855

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 56224800

約数和(自身を除く): 16196945

約数列:

[1, 5, 7, 35, 49, 199, 245, 821, 995, 1393, 4105, 5747, 6965, 9751, 28735, 40229, 48755, 163379, 201145, 816895, 1143653, 5718265, 8005571, 40027855]

約数ペア:

[(1, 40027855), (5, 8005571), (7, 5718265), (35, 1143653), (49, 816895), (199, 201145), (245, 163379), (821, 48755), (995, 40229), (1393, 28735), (4105, 9751), (5747, 6965)]