28320440

素因数分解:

$2^3\times 5^1\times {\mathrm{708011}}^1$

素因数の和:708022

約数の個数: 16

約数和(自身を含む): 63721080

約数和(自身を除く): 35400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 708011, 1416022, 2832044, 3540055, 5664088, 7080110, 14160220, 28320440]

約数ペア:

[(1, 28320440), (2, 14160220), (4, 7080110), (5, 5664088), (8, 3540055), (10, 2832044), (20, 1416022), (40, 708011)]