7885825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 10323000

約数和(自身を除く): 2437175

約数列:

[1, 5, 25, 29, 73, 145, 149, 365, 725, 745, 1825, 2117, 3725, 4321, 10585, 10877, 21605, 52925, 54385, 108025, 271925, 315433, 1577165, 7885825]

約数ペア:

[(1, 7885825), (5, 1577165), (25, 315433), (29, 271925), (73, 108025), (145, 54385), (149, 52925), (365, 21605), (725, 10877), (745, 10585), (1825, 4321), (2117, 3725)]