12897972040

素因数分解:

$2^3\times 5^1\times {\mathrm{322449301}}^1$

素因数の和:322449312

約数の個数: 16

約数和(自身を含む): 29020437180

約数和(自身を除く): 16122465140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 322449301, 644898602, 1289797204, 1612246505, 2579594408, 3224493010, 6448986020, 12897972040]

約数ペア:

[(1, 12897972040), (2, 6448986020), (4, 3224493010), (5, 2579594408), (8, 1612246505), (10, 1289797204), (20, 644898602), (40, 322449301)]