30804560

素因数分解:

$2^4\times 5^1\times {\mathrm{385057}}^1$

素因数の和:385070

約数の個数: 20

約数和(自身を含む): 71620788

約数和(自身を除く): 40816228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385057, 770114, 1540228, 1925285, 3080456, 3850570, 6160912, 7701140, 15402280, 30804560]

約数ペア:

[(1, 30804560), (2, 15402280), (4, 7701140), (5, 6160912), (8, 3850570), (10, 3080456), (16, 1925285), (20, 1540228), (40, 770114), (80, 385057)]