25480840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8273}}^1$

素因数の和:8302

約数の個数: 64

約数和(自身を含む): 71487360

約数和(自身を除く): 46006520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 8273, 16546, 33092, 41365, 57911, 66184, 82730, 91003, 115822, 165460, 182006, 231644, 289555, 330920, 364012, 455015, 463288, 579110, 637021, 728024, 910030, 1158220, 1274042, 1820060, 2316440, 2548084, 3185105, 3640120, 5096168, 6370210, 12740420, 25480840]

約数ペア:

[(1, 25480840), (2, 12740420), (4, 6370210), (5, 5096168), (7, 3640120), (8, 3185105), (10, 2548084), (11, 2316440), (14, 1820060), (20, 1274042), (22, 1158220), (28, 910030), (35, 728024), (40, 637021), (44, 579110), (55, 463288), (56, 455015), (70, 364012), (77, 330920), (88, 289555), (110, 231644), (140, 182006), (154, 165460), (220, 115822), (280, 91003), (308, 82730), (385, 66184), (440, 57911), (616, 41365), (770, 33092), (1540, 16546), (3080, 8273)]