648564160

素因数分解:

$2^6\times 5^1\times {\mathrm{2026763}}^1$

素因数の和:2026780

約数の個数: 28

約数和(自身を含む): 1544394168

約数和(自身を除く): 895830008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2026763, 4053526, 8107052, 10133815, 16214104, 20267630, 32428208, 40535260, 64856416, 81070520, 129712832, 162141040, 324282080, 648564160]

約数ペア:

[(1, 648564160), (2, 324282080), (4, 162141040), (5, 129712832), (8, 81070520), (10, 64856416), (16, 40535260), (20, 32428208), (32, 20267630), (40, 16214104), (64, 10133815), (80, 8107052), (160, 4053526), (320, 2026763)]