16238180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115987}}^1$

素因数の和:116003

約数の個数: 24

約数和(自身を含む): 38971968

約数和(自身を除く): 22733788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115987, 231974, 463948, 579935, 811909, 1159870, 1623818, 2319740, 3247636, 4059545, 8119090, 16238180]

約数ペア:

[(1, 16238180), (2, 8119090), (4, 4059545), (5, 3247636), (7, 2319740), (10, 1623818), (14, 1159870), (20, 811909), (28, 579935), (35, 463948), (70, 231974), (140, 115987)]