28264840

素因数分解:

$2^3\times 5^1\times {\mathrm{706621}}^1$

素因数の和:706632

約数の個数: 16

約数和(自身を含む): 63595980

約数和(自身を除く): 35331140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706621, 1413242, 2826484, 3533105, 5652968, 7066210, 14132420, 28264840]

約数ペア:

[(1, 28264840), (2, 14132420), (4, 7066210), (5, 5652968), (8, 3533105), (10, 2826484), (20, 1413242), (40, 706621)]