87716840

素因数分解:

$2^3\times 5^1\times {\mathrm{2192921}}^1$

素因数の和:2192932

約数の個数: 16

約数和(自身を含む): 197362980

約数和(自身を除く): 109646140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2192921, 4385842, 8771684, 10964605, 17543368, 21929210, 43858420, 87716840]

約数ペア:

[(1, 87716840), (2, 43858420), (4, 21929210), (5, 17543368), (8, 10964605), (10, 8771684), (20, 4385842), (40, 2192921)]