3221920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 8202600

約数和(自身を除く): 4980680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1549, 2080, 3098, 6196, 7745, 12392, 15490, 20137, 24784, 30980, 40274, 49568, 61960, 80548, 100685, 123920, 161096, 201370, 247840, 322192, 402740, 644384, 805480, 1610960, 3221920]

約数ペア:

[(1, 3221920), (2, 1610960), (4, 805480), (5, 644384), (8, 402740), (10, 322192), (13, 247840), (16, 201370), (20, 161096), (26, 123920), (32, 100685), (40, 80548), (52, 61960), (65, 49568), (80, 40274), (104, 30980), (130, 24784), (160, 20137), (208, 15490), (260, 12392), (416, 7745), (520, 6196), (1040, 3098), (1549, 2080)]