4256440

素因数分解:

$2^3\times 5^1\times {\mathrm{106411}}^1$

素因数の和:106422

約数の個数: 16

約数和(自身を含む): 9577080

約数和(自身を除く): 5320640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106411, 212822, 425644, 532055, 851288, 1064110, 2128220, 4256440]

約数ペア:

[(1, 4256440), (2, 2128220), (4, 1064110), (5, 851288), (8, 532055), (10, 425644), (20, 212822), (40, 106411)]