179880020

素因数分解:

$2^2\times 5^1\times {\mathrm{2999}}^2$

素因数の和:6007

約数の個数: 18

約数和(自身を含む): 377874042

約数和(自身を除く): 197994022

約数列:

[1, 2, 4, 5, 10, 20, 2999, 5998, 11996, 14995, 29990, 59980, 8994001, 17988002, 35976004, 44970005, 89940010, 179880020]

約数ペア:

[(1, 179880020), (2, 89940010), (4, 44970005), (5, 35976004), (10, 17988002), (20, 8994001), (2999, 59980), (5998, 29990), (11996, 14995)]