25737640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6247}}^1$

素因数の和:6361

約数の個数: 32

約数和(自身を含む): 58481280

約数和(自身を除く): 32743640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6247, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 643441, 1286882, 2573764, 3217205, 5147528, 6434410, 12868820, 25737640]

約数ペア:

[(1, 25737640), (2, 12868820), (4, 6434410), (5, 5147528), (8, 3217205), (10, 2573764), (20, 1286882), (40, 643441), (103, 249880), (206, 124940), (412, 62470), (515, 49976), (824, 31235), (1030, 24988), (2060, 12494), (4120, 6247)]