80811164

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70393}}^1$

素因数の和:70445

約数の個数: 24

約数和(自身を含む): 165566688

約数和(自身を除く): 84755524

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70393, 140786, 281572, 492751, 985502, 1971004, 2886113, 5772226, 11544452, 20202791, 40405582, 80811164]

約数ペア:

[(1, 80811164), (2, 40405582), (4, 20202791), (7, 11544452), (14, 5772226), (28, 2886113), (41, 1971004), (82, 985502), (164, 492751), (287, 281572), (574, 140786), (1148, 70393)]