28706120

素因数分解:

$2^3\times 5^1\times {\mathrm{717653}}^1$

素因数の和:717664

約数の個数: 16

約数和(自身を含む): 64588860

約数和(自身を除く): 35882740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 717653, 1435306, 2870612, 3588265, 5741224, 7176530, 14353060, 28706120]

約数ペア:

[(1, 28706120), (2, 14353060), (4, 7176530), (5, 5741224), (8, 3588265), (10, 2870612), (20, 1435306), (40, 717653)]