80991145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22159}}^1$

素因数の和:22224

約数の個数: 16

約数和(自身を含む): 105304320

約数和(自身を除く): 24313175

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 22159, 110795, 376703, 952837, 1883515, 4764185, 16198229, 80991145]

約数ペア:

[(1, 80991145), (5, 16198229), (17, 4764185), (43, 1883515), (85, 952837), (215, 376703), (731, 110795), (3655, 22159)]