28712020

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6269}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 60568200

約数和(自身を除く): 31856180

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 6269, 12538, 25076, 31345, 62690, 125380, 1435601, 2871202, 5742404, 7178005, 14356010, 28712020]

約数ペア:

[(1, 28712020), (2, 14356010), (4, 7178005), (5, 5742404), (10, 2871202), (20, 1435601), (229, 125380), (458, 62690), (916, 31345), (1145, 25076), (2290, 12538), (4580, 6269)]