199910860

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{5171}}^1$

素因数の和:7113

約数の個数: 24

約数和(自身を含む): 420111216

約数和(自身を除く): 220200356

約数列:

[1, 2, 4, 5, 10, 20, 1933, 3866, 5171, 7732, 9665, 10342, 19330, 20684, 25855, 38660, 51710, 103420, 9995543, 19991086, 39982172, 49977715, 99955430, 199910860]

約数ペア:

[(1, 199910860), (2, 99955430), (4, 49977715), (5, 39982172), (10, 19991086), (20, 9995543), (1933, 103420), (3866, 51710), (5171, 38660), (7732, 25855), (9665, 20684), (10342, 19330)]