81044560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 197018640

約数和(自身を除く): 115974080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 181, 193, 232, 290, 362, 386, 464, 580, 724, 772, 905, 965, 1160, 1448, 1544, 1810, 1930, 2320, 2896, 3088, 3620, 3860, 5249, 5597, 7240, 7720, 10498, 11194, 14480, 15440, 20996, 22388, 26245, 27985, 34933, 41992, 44776, 52490, 55970, 69866, 83984, 89552, 104980, 111940, 139732, 174665, 209960, 223880, 279464, 349330, 419920, 447760, 558928, 698660, 1013057, 1397320, 2026114, 2794640, 4052228, 5065285, 8104456, 10130570, 16208912, 20261140, 40522280, 81044560]

約数ペア:

[(1, 81044560), (2, 40522280), (4, 20261140), (5, 16208912), (8, 10130570), (10, 8104456), (16, 5065285), (20, 4052228), (29, 2794640), (40, 2026114), (58, 1397320), (80, 1013057), (116, 698660), (145, 558928), (181, 447760), (193, 419920), (232, 349330), (290, 279464), (362, 223880), (386, 209960), (464, 174665), (580, 139732), (724, 111940), (772, 104980), (905, 89552), (965, 83984), (1160, 69866), (1448, 55970), (1544, 52490), (1810, 44776), (1930, 41992), (2320, 34933), (2896, 27985), (3088, 26245), (3620, 22388), (3860, 20996), (5249, 15440), (5597, 14480), (7240, 11194), (7720, 10498)]