48778420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{34351}}^1$

素因数の和:34431

約数の個数: 24

約数和(自身を含む): 103880448

約数和(自身を除く): 55102028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 34351, 68702, 137404, 171755, 343510, 687020, 2438921, 4877842, 9755684, 12194605, 24389210, 48778420]

約数ペア:

[(1, 48778420), (2, 24389210), (4, 12194605), (5, 9755684), (10, 4877842), (20, 2438921), (71, 687020), (142, 343510), (284, 171755), (355, 137404), (710, 68702), (1420, 34351)]