159400

素因数分解:

$2^3\times 5^2\times {\mathrm{797}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 371070

約数和(自身を除く): 211670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 797, 1594, 3188, 3985, 6376, 7970, 15940, 19925, 31880, 39850, 79700, 159400]

約数ペア:

[(1, 159400), (2, 79700), (4, 39850), (5, 31880), (8, 19925), (10, 15940), (20, 7970), (25, 6376), (40, 3985), (50, 3188), (100, 1594), (200, 797)]