31421200

素因数分解:

$2^4\times 5^2\times {\mathrm{78553}}^1$

素因数の和:78571

約数の個数: 30

約数和(自身を含む): 75490394

約数和(自身を除く): 44069194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 78553, 157106, 314212, 392765, 628424, 785530, 1256848, 1571060, 1963825, 3142120, 3927650, 6284240, 7855300, 15710600, 31421200]

約数ペア:

[(1, 31421200), (2, 15710600), (4, 7855300), (5, 6284240), (8, 3927650), (10, 3142120), (16, 1963825), (20, 1571060), (25, 1256848), (40, 785530), (50, 628424), (80, 392765), (100, 314212), (200, 157106), (400, 78553)]