12882800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 36533376

約数和(自身を除く): 23650576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 107, 112, 140, 172, 175, 200, 214, 215, 280, 301, 344, 350, 400, 428, 430, 535, 560, 602, 688, 700, 749, 856, 860, 1070, 1075, 1204, 1400, 1498, 1505, 1712, 1720, 2140, 2150, 2408, 2675, 2800, 2996, 3010, 3440, 3745, 4280, 4300, 4601, 4816, 5350, 5992, 6020, 7490, 7525, 8560, 8600, 9202, 10700, 11984, 12040, 14980, 15050, 17200, 18404, 18725, 21400, 23005, 24080, 29960, 30100, 32207, 36808, 37450, 42800, 46010, 59920, 60200, 64414, 73616, 74900, 92020, 115025, 120400, 128828, 149800, 161035, 184040, 230050, 257656, 299600, 322070, 368080, 460100, 515312, 644140, 805175, 920200, 1288280, 1610350, 1840400, 2576560, 3220700, 6441400, 12882800]

約数ペア:

[(1, 12882800), (2, 6441400), (4, 3220700), (5, 2576560), (7, 1840400), (8, 1610350), (10, 1288280), (14, 920200), (16, 805175), (20, 644140), (25, 515312), (28, 460100), (35, 368080), (40, 322070), (43, 299600), (50, 257656), (56, 230050), (70, 184040), (80, 161035), (86, 149800), (100, 128828), (107, 120400), (112, 115025), (140, 92020), (172, 74900), (175, 73616), (200, 64414), (214, 60200), (215, 59920), (280, 46010), (301, 42800), (344, 37450), (350, 36808), (400, 32207), (428, 30100), (430, 29960), (535, 24080), (560, 23005), (602, 21400), (688, 18725), (700, 18404), (749, 17200), (856, 15050), (860, 14980), (1070, 12040), (1075, 11984), (1204, 10700), (1400, 9202), (1498, 8600), (1505, 8560), (1712, 7525), (1720, 7490), (2140, 6020), (2150, 5992), (2408, 5350), (2675, 4816), (2800, 4601), (2996, 4300), (3010, 4280), (3440, 3745)]