25435760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 68942016

約数和(自身を除く): 43506256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 857, 1060, 1484, 1714, 1855, 2120, 2968, 3428, 3710, 4240, 4285, 5936, 5999, 6856, 7420, 8570, 11998, 13712, 14840, 17140, 23996, 29680, 29995, 34280, 45421, 47992, 59990, 68560, 90842, 95984, 119980, 181684, 227105, 239960, 317947, 363368, 454210, 479920, 635894, 726736, 908420, 1271788, 1589735, 1816840, 2543576, 3179470, 3633680, 5087152, 6358940, 12717880, 25435760]

約数ペア:

[(1, 25435760), (2, 12717880), (4, 6358940), (5, 5087152), (7, 3633680), (8, 3179470), (10, 2543576), (14, 1816840), (16, 1589735), (20, 1271788), (28, 908420), (35, 726736), (40, 635894), (53, 479920), (56, 454210), (70, 363368), (80, 317947), (106, 239960), (112, 227105), (140, 181684), (212, 119980), (265, 95984), (280, 90842), (371, 68560), (424, 59990), (530, 47992), (560, 45421), (742, 34280), (848, 29995), (857, 29680), (1060, 23996), (1484, 17140), (1714, 14840), (1855, 13712), (2120, 11998), (2968, 8570), (3428, 7420), (3710, 6856), (4240, 5999), (4285, 5936)]