90144625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 31160975

約数列:

[1, 5, 17, 25, 59, 85, 125, 295, 425, 719, 1003, 1475, 2125, 3595, 5015, 7375, 12223, 17975, 25075, 42421, 61115, 89875, 125375, 212105, 305575, 721157, 1060525, 1527875, 3605785, 5302625, 18028925, 90144625]

約数ペア:

[(1, 90144625), (5, 18028925), (17, 5302625), (25, 3605785), (59, 1527875), (85, 1060525), (125, 721157), (295, 305575), (425, 212105), (719, 125375), (1003, 89875), (1475, 61115), (2125, 42421), (3595, 25075), (5015, 17975), (7375, 12223)]