5142640

素因数分解:

$2^4\times 5^1\times {\mathrm{64283}}^1$

素因数の和:64296

約数の個数: 20

約数和(自身を含む): 11956824

約数和(自身を除く): 6814184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64283, 128566, 257132, 321415, 514264, 642830, 1028528, 1285660, 2571320, 5142640]

約数ペア:

[(1, 5142640), (2, 2571320), (4, 1285660), (5, 1028528), (8, 642830), (10, 514264), (16, 321415), (20, 257132), (40, 128566), (80, 64283)]