28527280

素因数分解:

$2^4\times 5^1\times {\mathrm{356591}}^1$

素因数の和:356604

約数の個数: 20

約数和(自身を含む): 66326112

約数和(自身を除く): 37798832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356591, 713182, 1426364, 1782955, 2852728, 3565910, 5705456, 7131820, 14263640, 28527280]

約数ペア:

[(1, 28527280), (2, 14263640), (4, 7131820), (5, 5705456), (8, 3565910), (10, 2852728), (16, 1782955), (20, 1426364), (40, 713182), (80, 356591)]