196207820

素因数分解:

$2^2\times 5^1\times {\mathrm{2473}}^1\times {\mathrm{3967}}^1$

素因数の和:6449

約数の個数: 24

約数和(自身を含む): 412306944

約数和(自身を除く): 216099124

約数列:

[1, 2, 4, 5, 10, 20, 2473, 3967, 4946, 7934, 9892, 12365, 15868, 19835, 24730, 39670, 49460, 79340, 9810391, 19620782, 39241564, 49051955, 98103910, 196207820]

約数ペア:

[(1, 196207820), (2, 98103910), (4, 49051955), (5, 39241564), (10, 19620782), (20, 9810391), (2473, 79340), (3967, 49460), (4946, 39670), (7934, 24730), (9892, 19835), (12365, 15868)]