201985720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46327}}^1$

素因数の和:46447

約数の個数: 32

約数和(自身を含む): 458647200

約数和(自身を除く): 256661480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 46327, 92654, 185308, 231635, 370616, 463270, 926540, 1853080, 5049643, 10099286, 20198572, 25248215, 40397144, 50496430, 100992860, 201985720]

約数ペア:

[(1, 201985720), (2, 100992860), (4, 50496430), (5, 40397144), (8, 25248215), (10, 20198572), (20, 10099286), (40, 5049643), (109, 1853080), (218, 926540), (436, 463270), (545, 370616), (872, 231635), (1090, 185308), (2180, 92654), (4360, 46327)]