66294320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9311}}^1$

素因数の和:9413

約数の個数: 40

約数和(自身を含む): 155882880

約数和(自身を除く): 89588560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 9311, 18622, 37244, 46555, 74488, 93110, 148976, 186220, 372440, 744880, 828679, 1657358, 3314716, 4143395, 6629432, 8286790, 13258864, 16573580, 33147160, 66294320]

約数ペア:

[(1, 66294320), (2, 33147160), (4, 16573580), (5, 13258864), (8, 8286790), (10, 6629432), (16, 4143395), (20, 3314716), (40, 1657358), (80, 828679), (89, 744880), (178, 372440), (356, 186220), (445, 148976), (712, 93110), (890, 74488), (1424, 46555), (1780, 37244), (3560, 18622), (7120, 9311)]