28570480

素因数分解:

$2^4\times 5^1\times {\mathrm{357131}}^1$

素因数の和:357144

約数の個数: 20

約数和(自身を含む): 66426552

約数和(自身を除く): 37856072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357131, 714262, 1428524, 1785655, 2857048, 3571310, 5714096, 7142620, 14285240, 28570480]

約数ペア:

[(1, 28570480), (2, 14285240), (4, 7142620), (5, 5714096), (8, 3571310), (10, 2857048), (16, 1785655), (20, 1428524), (40, 714262), (80, 357131)]