25217960

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1049}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 56889000

約数和(自身を除く): 31671040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1049, 1202, 2098, 2404, 3005, 4196, 4808, 5245, 6010, 8392, 10490, 12020, 20980, 24040, 41960, 630449, 1260898, 2521796, 3152245, 5043592, 6304490, 12608980, 25217960]

約数ペア:

[(1, 25217960), (2, 12608980), (4, 6304490), (5, 5043592), (8, 3152245), (10, 2521796), (20, 1260898), (40, 630449), (601, 41960), (1049, 24040), (1202, 20980), (2098, 12020), (2404, 10490), (3005, 8392), (4196, 6010), (4808, 5245)]