28012280

素因数分解:

$2^3\times 5^1\times {\mathrm{700307}}^1$

素因数の和:700318

約数の個数: 16

約数和(自身を含む): 63027720

約数和(自身を除く): 35015440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 700307, 1400614, 2801228, 3501535, 5602456, 7003070, 14006140, 28012280]

約数ペア:

[(1, 28012280), (2, 14006140), (4, 7003070), (5, 5602456), (8, 3501535), (10, 2801228), (20, 1400614), (40, 700307)]