66986560

素因数分解:

$2^6\times 5^1\times {\mathrm{209333}}^1$

素因数の和:209350

約数の個数: 28

約数和(自身を含む): 159512508

約数和(自身を除く): 92525948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 209333, 418666, 837332, 1046665, 1674664, 2093330, 3349328, 4186660, 6698656, 8373320, 13397312, 16746640, 33493280, 66986560]

約数ペア:

[(1, 66986560), (2, 33493280), (4, 16746640), (5, 13397312), (8, 8373320), (10, 6698656), (16, 4186660), (20, 3349328), (32, 2093330), (40, 1674664), (64, 1046665), (80, 837332), (160, 418666), (320, 209333)]