13480420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1601}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 28393848

約数和(自身を除く): 14913428

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1601, 1684, 2105, 3202, 4210, 6404, 8005, 8420, 16010, 32020, 674021, 1348042, 2696084, 3370105, 6740210, 13480420]

約数ペア:

[(1, 13480420), (2, 6740210), (4, 3370105), (5, 2696084), (10, 1348042), (20, 674021), (421, 32020), (842, 16010), (1601, 8420), (1684, 8005), (2105, 6404), (3202, 4210)]