77142640

素因数分解:

$2^4\times 5^1\times {\mathrm{964283}}^1$

素因数の和:964296

約数の個数: 20

約数和(自身を含む): 179356824

約数和(自身を除く): 102214184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 964283, 1928566, 3857132, 4821415, 7714264, 9642830, 15428528, 19285660, 38571320, 77142640]

約数ペア:

[(1, 77142640), (2, 38571320), (4, 19285660), (5, 15428528), (8, 9642830), (10, 7714264), (16, 4821415), (20, 3857132), (40, 1928566), (80, 964283)]