89859560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320927}}^1$

素因数の和:320945

約数の個数: 32

約数和(自身を含む): 231068160

約数和(自身を除く): 141208600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320927, 641854, 1283708, 1604635, 2246489, 2567416, 3209270, 4492978, 6418540, 8985956, 11232445, 12837080, 17971912, 22464890, 44929780, 89859560]

約数ペア:

[(1, 89859560), (2, 44929780), (4, 22464890), (5, 17971912), (7, 12837080), (8, 11232445), (10, 8985956), (14, 6418540), (20, 4492978), (28, 3209270), (35, 2567416), (40, 2246489), (56, 1604635), (70, 1283708), (140, 641854), (280, 320927)]