26280140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16633}}^1$

素因数の和:16721

約数の個数: 24

約数和(自身を含む): 55890240

約数和(自身を除く): 29610100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16633, 33266, 66532, 83165, 166330, 332660, 1314007, 2628014, 5256028, 6570035, 13140070, 26280140]

約数ペア:

[(1, 26280140), (2, 13140070), (4, 6570035), (5, 5256028), (10, 2628014), (20, 1314007), (79, 332660), (158, 166330), (316, 83165), (395, 66532), (790, 33266), (1580, 16633)]