4408120

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 9987120

約数和(自身を除く): 5579000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 571, 772, 965, 1142, 1544, 1930, 2284, 2855, 3860, 4568, 5710, 7720, 11420, 22840, 110203, 220406, 440812, 551015, 881624, 1102030, 2204060, 4408120]

約数ペア:

[(1, 4408120), (2, 2204060), (4, 1102030), (5, 881624), (8, 551015), (10, 440812), (20, 220406), (40, 110203), (193, 22840), (386, 11420), (571, 7720), (772, 5710), (965, 4568), (1142, 3860), (1544, 2855), (1930, 2284)]