2601408080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{1193}}^1$

素因数の和:1584

約数の個数: 80

約数和(自身を含む): 6137513424

約数和(自身を除く): 3536105344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 281, 388, 485, 562, 776, 970, 1124, 1193, 1405, 1552, 1940, 2248, 2386, 2810, 3880, 4496, 4772, 5620, 5965, 7760, 9544, 11240, 11930, 19088, 22480, 23860, 27257, 47720, 54514, 95440, 109028, 115721, 136285, 218056, 231442, 272570, 335233, 436112, 462884, 545140, 578605, 670466, 925768, 1090280, 1157210, 1340932, 1676165, 1851536, 2180560, 2314420, 2681864, 3352330, 4628840, 5363728, 6704660, 9257680, 13409320, 26818640, 32517601, 65035202, 130070404, 162588005, 260140808, 325176010, 520281616, 650352020, 1300704040, 2601408080]

約数ペア:

[(1, 2601408080), (2, 1300704040), (4, 650352020), (5, 520281616), (8, 325176010), (10, 260140808), (16, 162588005), (20, 130070404), (40, 65035202), (80, 32517601), (97, 26818640), (194, 13409320), (281, 9257680), (388, 6704660), (485, 5363728), (562, 4628840), (776, 3352330), (970, 2681864), (1124, 2314420), (1193, 2180560), (1405, 1851536), (1552, 1676165), (1940, 1340932), (2248, 1157210), (2386, 1090280), (2810, 925768), (3880, 670466), (4496, 578605), (4772, 545140), (5620, 462884), (5965, 436112), (7760, 335233), (9544, 272570), (11240, 231442), (11930, 218056), (19088, 136285), (22480, 115721), (23860, 109028), (27257, 95440), (47720, 54514)]