40003420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4751}}^1$

素因数の和:5181

約数の個数: 24

約数和(自身を含む): 84224448

約数和(自身を除く): 44221028

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4751, 8420, 9502, 19004, 23755, 47510, 95020, 2000171, 4000342, 8000684, 10000855, 20001710, 40003420]

約数ペア:

[(1, 40003420), (2, 20001710), (4, 10000855), (5, 8000684), (10, 4000342), (20, 2000171), (421, 95020), (842, 47510), (1684, 23755), (2105, 19004), (4210, 9502), (4751, 8420)]