80911040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:946

約数の個数: 112

約数和(自身を含む): 225820224

約数和(自身を除く): 144909184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 656, 820, 881, 1120, 1148, 1312, 1435, 1640, 1762, 2240, 2296, 2624, 2870, 3280, 3524, 4405, 4592, 5740, 6167, 6560, 7048, 8810, 9184, 11480, 12334, 13120, 14096, 17620, 18368, 22960, 24668, 28192, 30835, 35240, 36121, 45920, 49336, 56384, 61670, 70480, 72242, 91840, 98672, 123340, 140960, 144484, 180605, 197344, 246680, 252847, 281920, 288968, 361210, 394688, 493360, 505694, 577936, 722420, 986720, 1011388, 1155872, 1264235, 1444840, 1973440, 2022776, 2311744, 2528470, 2889680, 4045552, 5056940, 5779360, 8091104, 10113880, 11558720, 16182208, 20227760, 40455520, 80911040]

約数ペア:

[(1, 80911040), (2, 40455520), (4, 20227760), (5, 16182208), (7, 11558720), (8, 10113880), (10, 8091104), (14, 5779360), (16, 5056940), (20, 4045552), (28, 2889680), (32, 2528470), (35, 2311744), (40, 2022776), (41, 1973440), (56, 1444840), (64, 1264235), (70, 1155872), (80, 1011388), (82, 986720), (112, 722420), (140, 577936), (160, 505694), (164, 493360), (205, 394688), (224, 361210), (280, 288968), (287, 281920), (320, 252847), (328, 246680), (410, 197344), (448, 180605), (560, 144484), (574, 140960), (656, 123340), (820, 98672), (881, 91840), (1120, 72242), (1148, 70480), (1312, 61670), (1435, 56384), (1640, 49336), (1762, 45920), (2240, 36121), (2296, 35240), (2624, 30835), (2870, 28192), (3280, 24668), (3524, 22960), (4405, 18368), (4592, 17620), (5740, 14096), (6167, 13120), (6560, 12334), (7048, 11480), (8810, 9184)]