389048080

素因数分解:

$2^4\times 5^1\times {\mathrm{4863101}}^1$

素因数の和:4863114

約数の個数: 20

約数和(自身を含む): 904536972

約数和(自身を除く): 515488892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4863101, 9726202, 19452404, 24315505, 38904808, 48631010, 77809616, 97262020, 194524040, 389048080]

約数ペア:

[(1, 389048080), (2, 194524040), (4, 97262020), (5, 77809616), (8, 48631010), (10, 38904808), (16, 24315505), (20, 19452404), (40, 9726202), (80, 4863101)]