81248360

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{3391}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 183168000

約数和(自身を除く): 101919640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2995, 3391, 4792, 5990, 6782, 11980, 13564, 16955, 23960, 27128, 33910, 67820, 135640, 2031209, 4062418, 8124836, 10156045, 16249672, 20312090, 40624180, 81248360]

約数ペア:

[(1, 81248360), (2, 40624180), (4, 20312090), (5, 16249672), (8, 10156045), (10, 8124836), (20, 4062418), (40, 2031209), (599, 135640), (1198, 67820), (2396, 33910), (2995, 27128), (3391, 23960), (4792, 16955), (5990, 13564), (6782, 11980)]