85019920

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11941}}^1$

素因数の和:12043

約数の個数: 40

約数和(自身を含む): 199909080

約数和(自身を除く): 114889160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 11941, 23882, 47764, 59705, 95528, 119410, 191056, 238820, 477640, 955280, 1062749, 2125498, 4250996, 5313745, 8501992, 10627490, 17003984, 21254980, 42509960, 85019920]

約数ペア:

[(1, 85019920), (2, 42509960), (4, 21254980), (5, 17003984), (8, 10627490), (10, 8501992), (16, 5313745), (20, 4250996), (40, 2125498), (80, 1062749), (89, 955280), (178, 477640), (356, 238820), (445, 191056), (712, 119410), (890, 95528), (1424, 59705), (1780, 47764), (3560, 23882), (7120, 11941)]