124856720

素因数分解:

$2^4\times 5^1\times {\mathrm{1560709}}^1$

素因数の和:1560722

約数の個数: 20

約数和(自身を含む): 290292060

約数和(自身を除く): 165435340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1560709, 3121418, 6242836, 7803545, 12485672, 15607090, 24971344, 31214180, 62428360, 124856720]

約数ペア:

[(1, 124856720), (2, 62428360), (4, 31214180), (5, 24971344), (8, 15607090), (10, 12485672), (16, 7803545), (20, 6242836), (40, 3121418), (80, 1560709)]