68155760

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2083}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 158925840

約数和(自身を除く): 90770080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 2083, 3272, 4090, 4166, 6544, 8180, 8332, 10415, 16360, 16664, 20830, 32720, 33328, 41660, 83320, 166640, 851947, 1703894, 3407788, 4259735, 6815576, 8519470, 13631152, 17038940, 34077880, 68155760]

約数ペア:

[(1, 68155760), (2, 34077880), (4, 17038940), (5, 13631152), (8, 8519470), (10, 6815576), (16, 4259735), (20, 3407788), (40, 1703894), (80, 851947), (409, 166640), (818, 83320), (1636, 41660), (2045, 33328), (2083, 32720), (3272, 20830), (4090, 16664), (4166, 16360), (6544, 10415), (8180, 8332)]