42950420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5101}}^1$

素因数の和:5531

約数の個数: 24

約数和(自身を含む): 90427848

約数和(自身を除く): 47477428

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 5101, 8420, 10202, 20404, 25505, 51010, 102020, 2147521, 4295042, 8590084, 10737605, 21475210, 42950420]

約数ペア:

[(1, 42950420), (2, 21475210), (4, 10737605), (5, 8590084), (10, 4295042), (20, 2147521), (421, 102020), (842, 51010), (1684, 25505), (2105, 20404), (4210, 10202), (5101, 8420)]