66071440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7577}}^1$

素因数の和:7699

約数の個数: 40

約数和(自身を含む): 155045880

約数和(自身を除く): 88974440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 7577, 8720, 15154, 30308, 37885, 60616, 75770, 121232, 151540, 303080, 606160, 825893, 1651786, 3303572, 4129465, 6607144, 8258930, 13214288, 16517860, 33035720, 66071440]

約数ペア:

[(1, 66071440), (2, 33035720), (4, 16517860), (5, 13214288), (8, 8258930), (10, 6607144), (16, 4129465), (20, 3303572), (40, 1651786), (80, 825893), (109, 606160), (218, 303080), (436, 151540), (545, 121232), (872, 75770), (1090, 60616), (1744, 37885), (2180, 30308), (4360, 15154), (7577, 8720)]