197260040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25033}}^1$

素因数の和:25241

約数の個数: 32

約数和(自身を含む): 446105880

約数和(自身を除く): 248845840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 25033, 50066, 100132, 125165, 200264, 250330, 500660, 1001320, 4931501, 9863002, 19726004, 24657505, 39452008, 49315010, 98630020, 197260040]

約数ペア:

[(1, 197260040), (2, 98630020), (4, 49315010), (5, 39452008), (8, 24657505), (10, 19726004), (20, 9863002), (40, 4931501), (197, 1001320), (394, 500660), (788, 250330), (985, 200264), (1576, 125165), (1970, 100132), (3940, 50066), (7880, 25033)]