202079480

素因数分解:

$2^3\times 5^1\times {\mathrm{5051987}}^1$

素因数の和:5051998

約数の個数: 16

約数和(自身を含む): 454678920

約数和(自身を除く): 252599440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5051987, 10103974, 20207948, 25259935, 40415896, 50519870, 101039740, 202079480]

約数ペア:

[(1, 202079480), (2, 101039740), (4, 50519870), (5, 40415896), (8, 25259935), (10, 20207948), (20, 10103974), (40, 5051987)]