121891540

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{6871}}^1$

素因数の和:7767

約数の個数: 24

約数和(自身を含む): 256298112

約数和(自身を除く): 134406572

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 6871, 8870, 13742, 17740, 27484, 34355, 68710, 137420, 6094577, 12189154, 24378308, 30472885, 60945770, 121891540]

約数ペア:

[(1, 121891540), (2, 60945770), (4, 30472885), (5, 24378308), (10, 12189154), (20, 6094577), (887, 137420), (1774, 68710), (3548, 34355), (4435, 27484), (6871, 17740), (8870, 13742)]