64341280

素因数分解:

$2^5\times 5^1\times {\mathrm{402133}}^1$

素因数の和:402148

約数の個数: 24

約数和(自身を含む): 152006652

約数和(自身を除く): 87665372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 402133, 804266, 1608532, 2010665, 3217064, 4021330, 6434128, 8042660, 12868256, 16085320, 32170640, 64341280]

約数ペア:

[(1, 64341280), (2, 32170640), (4, 16085320), (5, 12868256), (8, 8042660), (10, 6434128), (16, 4021330), (20, 3217064), (32, 2010665), (40, 1608532), (80, 804266), (160, 402133)]