28356280

素因数分解:

$2^3\times 5^1\times {\mathrm{708907}}^1$

素因数の和:708918

約数の個数: 16

約数和(自身を含む): 63801720

約数和(自身を除く): 35445440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 708907, 1417814, 2835628, 3544535, 5671256, 7089070, 14178140, 28356280]

約数ペア:

[(1, 28356280), (2, 14178140), (4, 7089070), (5, 5671256), (8, 3544535), (10, 2835628), (20, 1417814), (40, 708907)]