1280454928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{8167}}^1$

素因数の和:8455

約数の個数: 40

約数和(自身を含む): 2552336640

約数和(自身を除く): 1271881712

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 239, 328, 478, 656, 956, 1912, 3824, 8167, 9799, 16334, 19598, 32668, 39196, 65336, 78392, 130672, 156784, 334847, 669694, 1339388, 1951913, 2678776, 3903826, 5357552, 7807652, 15615304, 31230608, 80028433, 160056866, 320113732, 640227464, 1280454928]

約数ペア:

[(1, 1280454928), (2, 640227464), (4, 320113732), (8, 160056866), (16, 80028433), (41, 31230608), (82, 15615304), (164, 7807652), (239, 5357552), (328, 3903826), (478, 2678776), (656, 1951913), (956, 1339388), (1912, 669694), (3824, 334847), (8167, 156784), (9799, 130672), (16334, 78392), (19598, 65336), (32668, 39196)]