8738020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4909}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 18559800

約数和(自身を除く): 9821780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4909, 9818, 19636, 24545, 49090, 98180, 436901, 873802, 1747604, 2184505, 4369010, 8738020]

約数ペア:

[(1, 8738020), (2, 4369010), (4, 2184505), (5, 1747604), (10, 873802), (20, 436901), (89, 98180), (178, 49090), (356, 24545), (445, 19636), (890, 9818), (1780, 4909)]