28396840

素因数分解:

$2^3\times 5^1\times {\mathrm{709921}}^1$

素因数の和:709932

約数の個数: 16

約数和(自身を含む): 63892980

約数和(自身を除く): 35496140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709921, 1419842, 2839684, 3549605, 5679368, 7099210, 14198420, 28396840]

約数ペア:

[(1, 28396840), (2, 14198420), (4, 7099210), (5, 5679368), (8, 3549605), (10, 2839684), (20, 1419842), (40, 709921)]