213512960

素因数分解:

$2^8\times 5^1\times {\mathrm{166807}}^1$

素因数の和:166828

約数の個数: 36

約数和(自身を含む): 511433328

約数和(自身を除く): 297920368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 166807, 333614, 667228, 834035, 1334456, 1668070, 2668912, 3336140, 5337824, 6672280, 10675648, 13344560, 21351296, 26689120, 42702592, 53378240, 106756480, 213512960]

約数ペア:

[(1, 213512960), (2, 106756480), (4, 53378240), (5, 42702592), (8, 26689120), (10, 21351296), (16, 13344560), (20, 10675648), (32, 6672280), (40, 5337824), (64, 3336140), (80, 2668912), (128, 1668070), (160, 1334456), (256, 834035), (320, 667228), (640, 333614), (1280, 166807)]