212370520

素因数分解:

$2^3\times 5^1\times {\mathrm{5309263}}^1$

素因数の和:5309274

約数の個数: 16

約数和(自身を含む): 477833760

約数和(自身を除く): 265463240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5309263, 10618526, 21237052, 26546315, 42474104, 53092630, 106185260, 212370520]

約数ペア:

[(1, 212370520), (2, 106185260), (4, 53092630), (5, 42474104), (8, 26546315), (10, 21237052), (20, 10618526), (40, 5309263)]