201604540

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25391}}^1$

素因数の和:25797

約数の個数: 24

約数和(自身を含む): 424452672

約数和(自身を除く): 222848132

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25391, 50782, 101564, 126955, 253910, 507820, 10080227, 20160454, 40320908, 50401135, 100802270, 201604540]

約数ペア:

[(1, 201604540), (2, 100802270), (4, 50401135), (5, 40320908), (10, 20160454), (20, 10080227), (397, 507820), (794, 253910), (1588, 126955), (1985, 101564), (3970, 50782), (7940, 25391)]