30285680

素因数分解:

$2^4\times 5^1\times {\mathrm{378571}}^1$

素因数の和:378584

約数の個数: 20

約数和(自身を含む): 70414392

約数和(自身を除く): 40128712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378571, 757142, 1514284, 1892855, 3028568, 3785710, 6057136, 7571420, 15142840, 30285680]

約数ペア:

[(1, 30285680), (2, 15142840), (4, 7571420), (5, 6057136), (8, 3785710), (10, 3028568), (16, 1892855), (20, 1514284), (40, 757142), (80, 378571)]