221624440

素因数分解:

$2^3\times 5^1\times {\mathrm{5540611}}^1$

素因数の和:5540622

約数の個数: 16

約数和(自身を含む): 498655080

約数和(自身を除く): 277030640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5540611, 11081222, 22162444, 27703055, 44324888, 55406110, 110812220, 221624440]

約数ペア:

[(1, 221624440), (2, 110812220), (4, 55406110), (5, 44324888), (8, 27703055), (10, 22162444), (20, 11081222), (40, 5540611)]