89840090

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{8101}}^1$

素因数の和:9217

約数の個数: 16

約数和(自身を含む): 161877960

約数和(自身を除く): 72037870

約数列:

[1, 2, 5, 10, 1109, 2218, 5545, 8101, 11090, 16202, 40505, 81010, 8984009, 17968018, 44920045, 89840090]

約数ペア:

[(1, 89840090), (2, 44920045), (5, 17968018), (10, 8984009), (1109, 81010), (2218, 40505), (5545, 16202), (8101, 11090)]