259484080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79111}}^1$

素因数の和:79165

約数の個数: 40

約数和(自身を含む): 618022944

約数和(自身を除く): 358538864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 79111, 158222, 316444, 395555, 632888, 791110, 1265776, 1582220, 3164440, 3243551, 6328880, 6487102, 12974204, 16217755, 25948408, 32435510, 51896816, 64871020, 129742040, 259484080]

約数ペア:

[(1, 259484080), (2, 129742040), (4, 64871020), (5, 51896816), (8, 32435510), (10, 25948408), (16, 16217755), (20, 12974204), (40, 6487102), (41, 6328880), (80, 3243551), (82, 3164440), (164, 1582220), (205, 1265776), (328, 791110), (410, 632888), (656, 395555), (820, 316444), (1640, 158222), (3280, 79111)]