71145040

素因数分解:

$2^4\times 5^1\times {\mathrm{889313}}^1$

素因数の和:889326

約数の個数: 20

約数和(自身を含む): 165412404

約数和(自身を除く): 94267364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889313, 1778626, 3557252, 4446565, 7114504, 8893130, 14229008, 17786260, 35572520, 71145040]

約数ペア:

[(1, 71145040), (2, 35572520), (4, 17786260), (5, 14229008), (8, 8893130), (10, 7114504), (16, 4446565), (20, 3557252), (40, 1778626), (80, 889313)]