12841038040

素因数分解:

$2^3\times 5^1\times {\mathrm{321025951}}^1$

素因数の和:321025962

約数の個数: 16

約数和(自身を含む): 28892335680

約数和(自身を除く): 16051297640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 321025951, 642051902, 1284103804, 1605129755, 2568207608, 3210259510, 6420519020, 12841038040]

約数ペア:

[(1, 12841038040), (2, 6420519020), (4, 3210259510), (5, 2568207608), (8, 1605129755), (10, 1284103804), (20, 642051902), (40, 321025951)]