80836460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{39241}}^1$

素因数の和:39353

約数の個数: 24

約数和(自身を含む): 171409056

約数和(自身を除く): 90572596

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 39241, 78482, 156964, 196205, 392410, 784820, 4041823, 8083646, 16167292, 20209115, 40418230, 80836460]

約数ペア:

[(1, 80836460), (2, 40418230), (4, 20209115), (5, 16167292), (10, 8083646), (20, 4041823), (103, 784820), (206, 392410), (412, 196205), (515, 156964), (1030, 78482), (2060, 39241)]