25483820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^2$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 54623520

約数和(自身を除く): 29139700

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 1270, 1580, 2540, 10033, 16129, 20066, 32258, 40132, 50165, 64516, 80645, 100330, 161290, 200660, 322580, 1274191, 2548382, 5096764, 6370955, 12741910, 25483820]

約数ペア:

[(1, 25483820), (2, 12741910), (4, 6370955), (5, 5096764), (10, 2548382), (20, 1274191), (79, 322580), (127, 200660), (158, 161290), (254, 100330), (316, 80645), (395, 64516), (508, 50165), (635, 40132), (790, 32258), (1270, 20066), (1580, 16129), (2540, 10033)]