5222406520

素因数分解:

$2^3\times 5^1\times {\mathrm{2543}}^1\times {\mathrm{51341}}^1$

素因数の和:53895

約数の個数: 32

約数和(自身を含む): 11755264320

約数和(自身を除く): 6532857800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2543, 5086, 10172, 12715, 20344, 25430, 50860, 51341, 101720, 102682, 205364, 256705, 410728, 513410, 1026820, 2053640, 130560163, 261120326, 522240652, 652800815, 1044481304, 1305601630, 2611203260, 5222406520]

約数ペア:

[(1, 5222406520), (2, 2611203260), (4, 1305601630), (5, 1044481304), (8, 652800815), (10, 522240652), (20, 261120326), (40, 130560163), (2543, 2053640), (5086, 1026820), (10172, 513410), (12715, 410728), (20344, 256705), (25430, 205364), (50860, 102682), (51341, 101720)]