86704840

素因数分解:

$2^3\times 5^1\times {\mathrm{2167621}}^1$

素因数の和:2167632

約数の個数: 16

約数和(自身を含む): 195085980

約数和(自身を除く): 108381140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2167621, 4335242, 8670484, 10838105, 17340968, 21676210, 43352420, 86704840]

約数ペア:

[(1, 86704840), (2, 43352420), (4, 21676210), (5, 17340968), (8, 10838105), (10, 8670484), (20, 4335242), (40, 2167621)]