31969360

素因数分解:

$2^4\times 5^1\times {\mathrm{399617}}^1$

素因数の和:399630

約数の個数: 20

約数和(自身を含む): 74328948

約数和(自身を除く): 42359588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 399617, 799234, 1598468, 1998085, 3196936, 3996170, 6393872, 7992340, 15984680, 31969360]

約数ペア:

[(1, 31969360), (2, 15984680), (4, 7992340), (5, 6393872), (8, 3996170), (10, 3196936), (16, 1998085), (20, 1598468), (40, 799234), (80, 399617)]