64584280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37549}}^1$

素因数の和:37603

約数の個数: 32

約数和(自身を含む): 148698000

約数和(自身を除く): 84113720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 37549, 75098, 150196, 187745, 300392, 375490, 750980, 1501960, 1614607, 3229214, 6458428, 8073035, 12916856, 16146070, 32292140, 64584280]

約数ペア:

[(1, 64584280), (2, 32292140), (4, 16146070), (5, 12916856), (8, 8073035), (10, 6458428), (20, 3229214), (40, 1614607), (43, 1501960), (86, 750980), (172, 375490), (215, 300392), (344, 187745), (430, 150196), (860, 75098), (1720, 37549)]