80624740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12253}}^1$

素因数の和:12316

約数の個数: 48

約数和(自身を含む): 197632512

約数和(自身を除く): 117007772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12253, 24506, 49012, 61265, 85771, 122530, 171542, 245060, 343084, 428855, 575891, 857710, 1151782, 1715420, 2303564, 2879455, 4031237, 5758910, 8062474, 11517820, 16124948, 20156185, 40312370, 80624740]

約数ペア:

[(1, 80624740), (2, 40312370), (4, 20156185), (5, 16124948), (7, 11517820), (10, 8062474), (14, 5758910), (20, 4031237), (28, 2879455), (35, 2303564), (47, 1715420), (70, 1151782), (94, 857710), (140, 575891), (188, 428855), (235, 343084), (329, 245060), (470, 171542), (658, 122530), (940, 85771), (1316, 61265), (1645, 49012), (3290, 24506), (6580, 12253)]