80505238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 134991360

約数和(自身を除く): 54486122

約数列:

[1, 2, 11, 22, 61, 122, 239, 251, 478, 502, 671, 1342, 2629, 2761, 5258, 5522, 14579, 15311, 29158, 30622, 59989, 119978, 160369, 168421, 320738, 336842, 659879, 1319758, 3659329, 7318658, 40252619, 80505238]

約数ペア:

[(1, 80505238), (2, 40252619), (11, 7318658), (22, 3659329), (61, 1319758), (122, 659879), (239, 336842), (251, 320738), (478, 168421), (502, 160369), (671, 119978), (1342, 59989), (2629, 30622), (2761, 29158), (5258, 15311), (5522, 14579)]