79904720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1471}}^1$

素因数の和:1588

約数の個数: 80

約数和(自身を含む): 214652928

約数和(自身を除く): 134748208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1471, 1552, 1940, 2716, 2942, 3395, 3880, 5432, 5884, 6790, 7355, 7760, 10297, 10864, 11768, 13580, 14710, 20594, 23536, 27160, 29420, 41188, 51485, 54320, 58840, 82376, 102970, 117680, 142687, 164752, 205940, 285374, 411880, 570748, 713435, 823760, 998809, 1141496, 1426870, 1997618, 2282992, 2853740, 3995236, 4994045, 5707480, 7990472, 9988090, 11414960, 15980944, 19976180, 39952360, 79904720]

約数ペア:

[(1, 79904720), (2, 39952360), (4, 19976180), (5, 15980944), (7, 11414960), (8, 9988090), (10, 7990472), (14, 5707480), (16, 4994045), (20, 3995236), (28, 2853740), (35, 2282992), (40, 1997618), (56, 1426870), (70, 1141496), (80, 998809), (97, 823760), (112, 713435), (140, 570748), (194, 411880), (280, 285374), (388, 205940), (485, 164752), (560, 142687), (679, 117680), (776, 102970), (970, 82376), (1358, 58840), (1471, 54320), (1552, 51485), (1940, 41188), (2716, 29420), (2942, 27160), (3395, 23536), (3880, 20594), (5432, 14710), (5884, 13580), (6790, 11768), (7355, 10864), (7760, 10297)]