80401157020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{9548831}}^1$

素因数の和:9549261

約数の個数: 24

約数和(自身を含む): 169243498368

約数和(自身を除く): 88842341348

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9548831, 19097662, 38195324, 47744155, 95488310, 190976620, 4020057851, 8040115702, 16080231404, 20100289255, 40200578510, 80401157020]

約数ペア:

[(1, 80401157020), (2, 40200578510), (4, 20100289255), (5, 16080231404), (10, 8040115702), (20, 4020057851), (421, 190976620), (842, 95488310), (1684, 47744155), (2105, 38195324), (4210, 19097662), (8420, 9548831)]