40544080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 98993664

約数和(自身を除く): 58449584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 263, 328, 376, 410, 470, 526, 656, 752, 820, 940, 1052, 1315, 1640, 1880, 1927, 2104, 2630, 3280, 3760, 3854, 4208, 5260, 7708, 9635, 10520, 10783, 12361, 15416, 19270, 21040, 21566, 24722, 30832, 38540, 43132, 49444, 53915, 61805, 77080, 86264, 98888, 107830, 123610, 154160, 172528, 197776, 215660, 247220, 431320, 494440, 506801, 862640, 988880, 1013602, 2027204, 2534005, 4054408, 5068010, 8108816, 10136020, 20272040, 40544080]

約数ペア:

[(1, 40544080), (2, 20272040), (4, 10136020), (5, 8108816), (8, 5068010), (10, 4054408), (16, 2534005), (20, 2027204), (40, 1013602), (41, 988880), (47, 862640), (80, 506801), (82, 494440), (94, 431320), (164, 247220), (188, 215660), (205, 197776), (235, 172528), (263, 154160), (328, 123610), (376, 107830), (410, 98888), (470, 86264), (526, 77080), (656, 61805), (752, 53915), (820, 49444), (940, 43132), (1052, 38540), (1315, 30832), (1640, 24722), (1880, 21566), (1927, 21040), (2104, 19270), (2630, 15416), (3280, 12361), (3760, 10783), (3854, 10520), (4208, 9635), (5260, 7708)]