247928920

素因数分解:

$2^3\times 5^1\times {\mathrm{6198223}}^1$

素因数の和:6198234

約数の個数: 16

約数和(自身を含む): 557840160

約数和(自身を除く): 309911240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6198223, 12396446, 24792892, 30991115, 49585784, 61982230, 123964460, 247928920]

約数ペア:

[(1, 247928920), (2, 123964460), (4, 61982230), (5, 49585784), (8, 30991115), (10, 24792892), (20, 12396446), (40, 6198223)]