80220728

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 181785600

約数和(自身を除く): 101564872

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 47, 56, 58, 94, 116, 188, 203, 232, 329, 376, 406, 658, 812, 1051, 1316, 1363, 1624, 2102, 2632, 2726, 4204, 5452, 7357, 8408, 9541, 10904, 14714, 19082, 29428, 30479, 38164, 49397, 58856, 60958, 76328, 98794, 121916, 197588, 213353, 243832, 345779, 395176, 426706, 691558, 853412, 1383116, 1432513, 1706824, 2766232, 2865026, 5730052, 10027591, 11460104, 20055182, 40110364, 80220728]

約数ペア:

[(1, 80220728), (2, 40110364), (4, 20055182), (7, 11460104), (8, 10027591), (14, 5730052), (28, 2865026), (29, 2766232), (47, 1706824), (56, 1432513), (58, 1383116), (94, 853412), (116, 691558), (188, 426706), (203, 395176), (232, 345779), (329, 243832), (376, 213353), (406, 197588), (658, 121916), (812, 98794), (1051, 76328), (1316, 60958), (1363, 58856), (1624, 49397), (2102, 38164), (2632, 30479), (2726, 29428), (4204, 19082), (5452, 14714), (7357, 10904), (8408, 9541)]