204931120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1550

約数の個数: 80

約数和(自身を含む): 499780512

約数和(自身を除く): 294849392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1453, 1640, 1720, 1763, 2906, 3280, 3440, 3526, 5812, 7052, 7265, 8815, 11624, 14104, 14530, 17630, 23248, 28208, 29060, 35260, 58120, 59573, 62479, 70520, 116240, 119146, 124958, 141040, 238292, 249916, 297865, 312395, 476584, 499832, 595730, 624790, 953168, 999664, 1191460, 1249580, 2382920, 2499160, 2561639, 4765840, 4998320, 5123278, 10246556, 12808195, 20493112, 25616390, 40986224, 51232780, 102465560, 204931120]

約数ペア:

[(1, 204931120), (2, 102465560), (4, 51232780), (5, 40986224), (8, 25616390), (10, 20493112), (16, 12808195), (20, 10246556), (40, 5123278), (41, 4998320), (43, 4765840), (80, 2561639), (82, 2499160), (86, 2382920), (164, 1249580), (172, 1191460), (205, 999664), (215, 953168), (328, 624790), (344, 595730), (410, 499832), (430, 476584), (656, 312395), (688, 297865), (820, 249916), (860, 238292), (1453, 141040), (1640, 124958), (1720, 119146), (1763, 116240), (2906, 70520), (3280, 62479), (3440, 59573), (3526, 58120), (5812, 35260), (7052, 29060), (7265, 28208), (8815, 23248), (11624, 17630), (14104, 14530)]