28950520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3637}}^1$

素因数の和:3847

約数の個数: 32

約数和(自身を含む): 65484000

約数和(自身を除く): 36533480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3637, 3980, 7274, 7960, 14548, 18185, 29096, 36370, 72740, 145480, 723763, 1447526, 2895052, 3618815, 5790104, 7237630, 14475260, 28950520]

約数ペア:

[(1, 28950520), (2, 14475260), (4, 7237630), (5, 5790104), (8, 3618815), (10, 2895052), (20, 1447526), (40, 723763), (199, 145480), (398, 72740), (796, 36370), (995, 29096), (1592, 18185), (1990, 14548), (3637, 7960), (3980, 7274)]