209432840

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{6067}}^1$

素因数の和:6941

約数の個数: 32

約数和(自身を含む): 471847680

約数和(自身を除く): 262414840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 6067, 6904, 8630, 12134, 17260, 24268, 30335, 34520, 48536, 60670, 121340, 242680, 5235821, 10471642, 20943284, 26179105, 41886568, 52358210, 104716420, 209432840]

約数ペア:

[(1, 209432840), (2, 104716420), (4, 52358210), (5, 41886568), (8, 26179105), (10, 20943284), (20, 10471642), (40, 5235821), (863, 242680), (1726, 121340), (3452, 60670), (4315, 48536), (6067, 34520), (6904, 30335), (8630, 24268), (12134, 17260)]