85144880

素因数分解:

$2^4\times 5^1\times {\mathrm{1064311}}^1$

素因数の和:1064324

約数の個数: 20

約数和(自身を含む): 197962032

約数和(自身を除く): 112817152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1064311, 2128622, 4257244, 5321555, 8514488, 10643110, 17028976, 21286220, 42572440, 85144880]

約数ペア:

[(1, 85144880), (2, 42572440), (4, 21286220), (5, 17028976), (8, 10643110), (10, 8514488), (16, 5321555), (20, 4257244), (40, 2128622), (80, 1064311)]