1422640

素因数分解:

$2^4\times 5^1\times {\mathrm{17783}}^1$

素因数の和:17796

約数の個数: 20

約数和(自身を含む): 3307824

約数和(自身を除く): 1885184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17783, 35566, 71132, 88915, 142264, 177830, 284528, 355660, 711320, 1422640]

約数ペア:

[(1, 1422640), (2, 711320), (4, 355660), (5, 284528), (8, 177830), (10, 142264), (16, 88915), (20, 71132), (40, 35566), (80, 17783)]