80728228

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2687}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 171601920

約数和(自身を除く): 90873692

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 812, 1036, 1073, 2146, 2687, 4292, 5374, 7511, 10748, 15022, 18809, 30044, 37618, 75236, 77923, 99419, 155846, 198838, 311692, 397676, 545461, 695933, 1090922, 1391866, 2181844, 2783732, 2883151, 5766302, 11532604, 20182057, 40364114, 80728228]

約数ペア:

[(1, 80728228), (2, 40364114), (4, 20182057), (7, 11532604), (14, 5766302), (28, 2883151), (29, 2783732), (37, 2181844), (58, 1391866), (74, 1090922), (116, 695933), (148, 545461), (203, 397676), (259, 311692), (406, 198838), (518, 155846), (812, 99419), (1036, 77923), (1073, 75236), (2146, 37618), (2687, 30044), (4292, 18809), (5374, 15022), (7511, 10748)]