90240875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 117072384

約数和(自身を除く): 26831509

約数列:

[1, 5, 25, 43, 103, 125, 163, 215, 515, 815, 1075, 2575, 4075, 4429, 5375, 7009, 12875, 16789, 20375, 22145, 35045, 83945, 110725, 175225, 419725, 553625, 721927, 876125, 2098625, 3609635, 18048175, 90240875]

約数ペア:

[(1, 90240875), (5, 18048175), (25, 3609635), (43, 2098625), (103, 876125), (125, 721927), (163, 553625), (215, 419725), (515, 175225), (815, 110725), (1075, 83945), (2575, 35045), (4075, 22145), (4429, 20375), (5375, 16789), (7009, 12875)]