87669710

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{20341}}^1$

素因数の和:20779

約数の個数: 16

約数和(自身を含む): 158179392

約数和(自身を除く): 70509682

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 20341, 40682, 101705, 203410, 8766971, 17533942, 43834855, 87669710]

約数ペア:

[(1, 87669710), (2, 43834855), (5, 17533942), (10, 8766971), (431, 203410), (862, 101705), (2155, 40682), (4310, 20341)]