81229580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 180623520

約数和(自身を除く): 99393940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 3257, 4988, 6235, 6514, 12470, 13028, 16285, 24940, 32570, 65140, 94453, 140051, 188906, 280102, 377812, 472265, 560204, 700255, 944530, 1400510, 1889060, 2801020, 4061479, 8122958, 16245916, 20307395, 40614790, 81229580]

約数ペア:

[(1, 81229580), (2, 40614790), (4, 20307395), (5, 16245916), (10, 8122958), (20, 4061479), (29, 2801020), (43, 1889060), (58, 1400510), (86, 944530), (116, 700255), (145, 560204), (172, 472265), (215, 377812), (290, 280102), (430, 188906), (580, 140051), (860, 94453), (1247, 65140), (2494, 32570), (3257, 24940), (4988, 16285), (6235, 13028), (6514, 12470)]