81920156488

素因数分解:

$2^3\times {\mathrm{4451}}^1\times {\mathrm{2300611}}^1$

素因数の和:2305068

約数の個数: 16

約数和(自身を含む): 153634869360

約数和(自身を除く): 71714712872

約数列:

[1, 2, 4, 8, 4451, 8902, 17804, 35608, 2300611, 4601222, 9202444, 18404888, 10240019561, 20480039122, 40960078244, 81920156488]

約数ペア:

[(1, 81920156488), (2, 40960078244), (4, 20480039122), (8, 10240019561), (4451, 18404888), (8902, 9202444), (17804, 4601222), (35608, 2300611)]