66601280

素因数分解:

$2^6\times 5^1\times {\mathrm{208129}}^1$

素因数の和:208146

約数の個数: 28

約数和(自身を含む): 158595060

約数和(自身を除く): 91993780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208129, 416258, 832516, 1040645, 1665032, 2081290, 3330064, 4162580, 6660128, 8325160, 13320256, 16650320, 33300640, 66601280]

約数ペア:

[(1, 66601280), (2, 33300640), (4, 16650320), (5, 13320256), (8, 8325160), (10, 6660128), (16, 4162580), (20, 3330064), (32, 2081290), (40, 1665032), (64, 1040645), (80, 832516), (160, 416258), (320, 208129)]