5531440

素因数分解:

$2^4\times 5^1\times {\mathrm{69143}}^1$

素因数の和:69156

約数の個数: 20

約数和(自身を含む): 12860784

約数和(自身を除く): 7329344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 69143, 138286, 276572, 345715, 553144, 691430, 1106288, 1382860, 2765720, 5531440]

約数ペア:

[(1, 5531440), (2, 2765720), (4, 1382860), (5, 1106288), (8, 691430), (10, 553144), (16, 345715), (20, 276572), (40, 138286), (80, 69143)]