39411680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 118416816

約数和(自身を除く): 79005136

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 457, 490, 539, 560, 616, 770, 784, 880, 914, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1828, 1960, 2156, 2285, 2464, 2695, 3080, 3199, 3656, 3920, 4312, 4570, 5027, 5390, 6160, 6398, 7312, 7840, 8624, 9140, 10054, 10780, 12320, 12796, 14624, 15995, 17248, 18280, 20108, 21560, 22393, 25135, 25592, 31990, 35189, 36560, 40216, 43120, 44786, 50270, 51184, 63980, 70378, 73120, 80432, 86240, 89572, 100540, 102368, 111965, 127960, 140756, 160864, 175945, 179144, 201080, 223930, 246323, 255920, 281512, 351890, 358288, 402160, 447860, 492646, 511840, 563024, 703780, 716576, 804320, 895720, 985292, 1126048, 1231615, 1407560, 1791440, 1970584, 2463230, 2815120, 3582880, 3941168, 4926460, 5630240, 7882336, 9852920, 19705840, 39411680]

約数ペア:

[(1, 39411680), (2, 19705840), (4, 9852920), (5, 7882336), (7, 5630240), (8, 4926460), (10, 3941168), (11, 3582880), (14, 2815120), (16, 2463230), (20, 1970584), (22, 1791440), (28, 1407560), (32, 1231615), (35, 1126048), (40, 985292), (44, 895720), (49, 804320), (55, 716576), (56, 703780), (70, 563024), (77, 511840), (80, 492646), (88, 447860), (98, 402160), (110, 358288), (112, 351890), (140, 281512), (154, 255920), (160, 246323), (176, 223930), (196, 201080), (220, 179144), (224, 175945), (245, 160864), (280, 140756), (308, 127960), (352, 111965), (385, 102368), (392, 100540), (440, 89572), (457, 86240), (490, 80432), (539, 73120), (560, 70378), (616, 63980), (770, 51184), (784, 50270), (880, 44786), (914, 43120), (980, 40216), (1078, 36560), (1120, 35189), (1232, 31990), (1540, 25592), (1568, 25135), (1760, 22393), (1828, 21560), (1960, 20108), (2156, 18280), (2285, 17248), (2464, 15995), (2695, 14624), (3080, 12796), (3199, 12320), (3656, 10780), (3920, 10054), (4312, 9140), (4570, 8624), (5027, 7840), (5390, 7312), (6160, 6398)]