71422640

素因数分解:

$2^4\times 5^1\times {\mathrm{892783}}^1$

素因数の和:892796

約数の個数: 20

約数和(自身を含む): 166057824

約数和(自身を除く): 94635184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 892783, 1785566, 3571132, 4463915, 7142264, 8927830, 14284528, 17855660, 35711320, 71422640]

約数ペア:

[(1, 71422640), (2, 35711320), (4, 17855660), (5, 14284528), (8, 8927830), (10, 7142264), (16, 4463915), (20, 3571132), (40, 1785566), (80, 892783)]