208634260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{132047}}^1$

素因数の和:132135

約数の個数: 24

約数和(自身を含む): 443681280

約数和(自身を除く): 235047020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 132047, 264094, 528188, 660235, 1320470, 2640940, 10431713, 20863426, 41726852, 52158565, 104317130, 208634260]

約数ペア:

[(1, 208634260), (2, 104317130), (4, 52158565), (5, 41726852), (10, 20863426), (20, 10431713), (79, 2640940), (158, 1320470), (316, 660235), (395, 528188), (790, 264094), (1580, 132047)]