26257040

素因数分解:

$2^4\times 5^1\times {\mathrm{328213}}^1$

素因数の和:328226

約数の個数: 20

約数和(自身を含む): 61047804

約数和(自身を除く): 34790764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328213, 656426, 1312852, 1641065, 2625704, 3282130, 5251408, 6564260, 13128520, 26257040]

約数ペア:

[(1, 26257040), (2, 13128520), (4, 6564260), (5, 5251408), (8, 3282130), (10, 2625704), (16, 1641065), (20, 1312852), (40, 656426), (80, 328213)]