28575920

素因数分解:

$2^4\times 5^1\times {\mathrm{357199}}^1$

素因数の和:357212

約数の個数: 20

約数和(自身を含む): 66439200

約数和(自身を除く): 37863280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357199, 714398, 1428796, 1785995, 2857592, 3571990, 5715184, 7143980, 14287960, 28575920]

約数ペア:

[(1, 28575920), (2, 14287960), (4, 7143980), (5, 5715184), (8, 3571990), (10, 2857592), (16, 1785995), (20, 1428796), (40, 714398), (80, 357199)]