39492880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 66571760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 647, 763, 872, 1090, 1294, 1526, 1744, 2180, 2588, 3052, 3235, 3815, 4360, 4529, 5176, 6104, 6470, 7630, 8720, 9058, 10352, 12208, 12940, 15260, 18116, 22645, 25880, 30520, 36232, 45290, 51760, 61040, 70523, 72464, 90580, 141046, 181160, 282092, 352615, 362320, 493661, 564184, 705230, 987322, 1128368, 1410460, 1974644, 2468305, 2820920, 3949288, 4936610, 5641840, 7898576, 9873220, 19746440, 39492880]

約数ペア:

[(1, 39492880), (2, 19746440), (4, 9873220), (5, 7898576), (7, 5641840), (8, 4936610), (10, 3949288), (14, 2820920), (16, 2468305), (20, 1974644), (28, 1410460), (35, 1128368), (40, 987322), (56, 705230), (70, 564184), (80, 493661), (109, 362320), (112, 352615), (140, 282092), (218, 181160), (280, 141046), (436, 90580), (545, 72464), (560, 70523), (647, 61040), (763, 51760), (872, 45290), (1090, 36232), (1294, 30520), (1526, 25880), (1744, 22645), (2180, 18116), (2588, 15260), (3052, 12940), (3235, 12208), (3815, 10352), (4360, 9058), (4529, 8720), (5176, 7630), (6104, 6470)]