40581800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 113547420

約数和(自身を除く): 72965620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 101, 140, 164, 175, 196, 200, 202, 205, 245, 280, 287, 328, 350, 392, 404, 410, 490, 505, 574, 700, 707, 808, 820, 980, 1010, 1025, 1148, 1225, 1400, 1414, 1435, 1640, 1960, 2009, 2020, 2050, 2296, 2450, 2525, 2828, 2870, 3535, 4018, 4040, 4100, 4141, 4900, 4949, 5050, 5656, 5740, 7070, 7175, 8036, 8200, 8282, 9800, 9898, 10045, 10100, 11480, 14140, 14350, 16072, 16564, 17675, 19796, 20090, 20200, 20705, 24745, 28280, 28700, 28987, 33128, 35350, 39592, 40180, 41410, 49490, 50225, 57400, 57974, 70700, 80360, 82820, 98980, 100450, 103525, 115948, 123725, 141400, 144935, 165640, 197960, 200900, 202909, 207050, 231896, 247450, 289870, 401800, 405818, 414100, 494900, 579740, 724675, 811636, 828200, 989800, 1014545, 1159480, 1449350, 1623272, 2029090, 2898700, 4058180, 5072725, 5797400, 8116360, 10145450, 20290900, 40581800]

約数ペア:

[(1, 40581800), (2, 20290900), (4, 10145450), (5, 8116360), (7, 5797400), (8, 5072725), (10, 4058180), (14, 2898700), (20, 2029090), (25, 1623272), (28, 1449350), (35, 1159480), (40, 1014545), (41, 989800), (49, 828200), (50, 811636), (56, 724675), (70, 579740), (82, 494900), (98, 414100), (100, 405818), (101, 401800), (140, 289870), (164, 247450), (175, 231896), (196, 207050), (200, 202909), (202, 200900), (205, 197960), (245, 165640), (280, 144935), (287, 141400), (328, 123725), (350, 115948), (392, 103525), (404, 100450), (410, 98980), (490, 82820), (505, 80360), (574, 70700), (700, 57974), (707, 57400), (808, 50225), (820, 49490), (980, 41410), (1010, 40180), (1025, 39592), (1148, 35350), (1225, 33128), (1400, 28987), (1414, 28700), (1435, 28280), (1640, 24745), (1960, 20705), (2009, 20200), (2020, 20090), (2050, 19796), (2296, 17675), (2450, 16564), (2525, 16072), (2828, 14350), (2870, 14140), (3535, 11480), (4018, 10100), (4040, 10045), (4100, 9898), (4141, 9800), (4900, 8282), (4949, 8200), (5050, 8036), (5656, 7175), (5740, 7070)]