210008560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 512154720

約数和(自身を除く): 302146160

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, 1489, 1640, 1720, 1763, 2978, 3280, 3440, 3526, 5956, 7052, 7445, 8815, 11912, 14104, 14890, 17630, 23824, 28208, 29780, 35260, 59560, 61049, 64027, 70520, 119120, 122098, 128054, 141040, 244196, 256108, 305245, 320135, 488392, 512216, 610490, 640270, 976784, 1024432, 1220980, 1280540, 2441960, 2561080, 2625107, 4883920, 5122160, 5250214, 10500428, 13125535, 21000856, 26251070, 42001712, 52502140, 105004280, 210008560]

約数ペア:

[(1, 210008560), (2, 105004280), (4, 52502140), (5, 42001712), (8, 26251070), (10, 21000856), (16, 13125535), (20, 10500428), (40, 5250214), (41, 5122160), (43, 4883920), (80, 2625107), (82, 2561080), (86, 2441960), (164, 1280540), (172, 1220980), (205, 1024432), (215, 976784), (328, 640270), (344, 610490), (410, 512216), (430, 488392), (656, 320135), (688, 305245), (820, 256108), (860, 244196), (1489, 141040), (1640, 128054), (1720, 122098), (1763, 119120), (2978, 70520), (3280, 64027), (3440, 61049), (3526, 59560), (5956, 35260), (7052, 29780), (7445, 28208), (8815, 23824), (11912, 17630), (14104, 14890)]