25870060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11867}}^1$

素因数の和:11985

約数の個数: 24

約数和(自身を含む): 54830160

約数和(自身を除く): 28960100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 11867, 23734, 47468, 59335, 118670, 237340, 1293503, 2587006, 5174012, 6467515, 12935030, 25870060]

約数ペア:

[(1, 25870060), (2, 12935030), (4, 6467515), (5, 5174012), (10, 2587006), (20, 1293503), (109, 237340), (218, 118670), (436, 59335), (545, 47468), (1090, 23734), (2180, 11867)]