80978512

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{44789}}^1$

素因数の和:44910

約数の個数: 20

約数和(自身を含む): 158287860

約数和(自身を除く): 77309348

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 44789, 89578, 179156, 358312, 716624, 5061157, 10122314, 20244628, 40489256, 80978512]

約数ペア:

[(1, 80978512), (2, 40489256), (4, 20244628), (8, 10122314), (16, 5061157), (113, 716624), (226, 358312), (452, 179156), (904, 89578), (1808, 44789)]