55792720

素因数分解:

$2^4\times 5^1\times {\mathrm{697409}}^1$

素因数の和:697422

約数の個数: 20

約数和(自身を含む): 129718260

約数和(自身を除く): 73925540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697409, 1394818, 2789636, 3487045, 5579272, 6974090, 11158544, 13948180, 27896360, 55792720]

約数ペア:

[(1, 55792720), (2, 27896360), (4, 13948180), (5, 11158544), (8, 6974090), (10, 5579272), (16, 3487045), (20, 2789636), (40, 1394818), (80, 697409)]