71136880

素因数分解:

$2^4\times 5^1\times {\mathrm{889211}}^1$

素因数の和:889224

約数の個数: 20

約数和(自身を含む): 165393432

約数和(自身を除く): 94256552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 889211, 1778422, 3556844, 4446055, 7113688, 8892110, 14227376, 17784220, 35568440, 71136880]

約数ペア:

[(1, 71136880), (2, 35568440), (4, 17784220), (5, 14227376), (8, 8892110), (10, 7113688), (16, 4446055), (20, 3556844), (40, 1778422), (80, 889211)]