2040787984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 4325616000

約数和(自身を除く): 2284828016

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 199, 272, 296, 398, 592, 629, 796, 1019, 1258, 1592, 2038, 2516, 3184, 3383, 4076, 5032, 6766, 7363, 8152, 10064, 13532, 14726, 16304, 17323, 27064, 29452, 34646, 37703, 54128, 58904, 69292, 75406, 117808, 125171, 138584, 150812, 202781, 250342, 277168, 301624, 405562, 500684, 603248, 640951, 811124, 1001368, 1281902, 1622248, 2002736, 2563804, 3244496, 3447277, 5127608, 6894554, 7502897, 10255216, 13789108, 15005794, 27578216, 30011588, 55156432, 60023176, 120046352, 127549249, 255098498, 510196996, 1020393992, 2040787984]

約数ペア:

[(1, 2040787984), (2, 1020393992), (4, 510196996), (8, 255098498), (16, 127549249), (17, 120046352), (34, 60023176), (37, 55156432), (68, 30011588), (74, 27578216), (136, 15005794), (148, 13789108), (199, 10255216), (272, 7502897), (296, 6894554), (398, 5127608), (592, 3447277), (629, 3244496), (796, 2563804), (1019, 2002736), (1258, 1622248), (1592, 1281902), (2038, 1001368), (2516, 811124), (3184, 640951), (3383, 603248), (4076, 500684), (5032, 405562), (6766, 301624), (7363, 277168), (8152, 250342), (10064, 202781), (13532, 150812), (14726, 138584), (16304, 125171), (17323, 117808), (27064, 75406), (29452, 69292), (34646, 58904), (37703, 54128)]