28600720

素因数分解:

$2^4\times 5^1\times {\mathrm{357509}}^1$

素因数の和:357522

約数の個数: 20

約数和(自身を含む): 66496860

約数和(自身を除く): 37896140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357509, 715018, 1430036, 1787545, 2860072, 3575090, 5720144, 7150180, 14300360, 28600720]

約数ペア:

[(1, 28600720), (2, 14300360), (4, 7150180), (5, 5720144), (8, 3575090), (10, 2860072), (16, 1787545), (20, 1430036), (40, 715018), (80, 357509)]