4454440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 10091880

約数和(自身を除く): 5637440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 577, 772, 965, 1154, 1544, 1930, 2308, 2885, 3860, 4616, 5770, 7720, 11540, 23080, 111361, 222722, 445444, 556805, 890888, 1113610, 2227220, 4454440]

約数ペア:

[(1, 4454440), (2, 2227220), (4, 1113610), (5, 890888), (8, 556805), (10, 445444), (20, 222722), (40, 111361), (193, 23080), (386, 11540), (577, 7720), (772, 5770), (965, 4616), (1154, 3860), (1544, 2885), (1930, 2308)]