65772160

素因数分解:

$2^7\times 5^1\times {\mathrm{102769}}^1$

素因数の和:102788

約数の個数: 32

約数和(自身を含む): 157238100

約数和(自身を除く): 91465940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102769, 205538, 411076, 513845, 822152, 1027690, 1644304, 2055380, 3288608, 4110760, 6577216, 8221520, 13154432, 16443040, 32886080, 65772160]

約数ペア:

[(1, 65772160), (2, 32886080), (4, 16443040), (5, 13154432), (8, 8221520), (10, 6577216), (16, 4110760), (20, 3288608), (32, 2055380), (40, 1644304), (64, 1027690), (80, 822152), (128, 513845), (160, 411076), (320, 205538), (640, 102769)]