27940280

素因数分解:

$2^3\times 5^1\times {\mathrm{698507}}^1$

素因数の和:698518

約数の個数: 16

約数和(自身を含む): 62865720

約数和(自身を除く): 34925440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 698507, 1397014, 2794028, 3492535, 5588056, 6985070, 13970140, 27940280]

約数ペア:

[(1, 27940280), (2, 13970140), (4, 6985070), (5, 5588056), (8, 3492535), (10, 2794028), (20, 1397014), (40, 698507)]