64005280

素因数分解:

$2^5\times 5^1\times {\mathrm{400033}}^1$

素因数の和:400048

約数の個数: 24

約数和(自身を含む): 151212852

約数和(自身を除く): 87207572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 400033, 800066, 1600132, 2000165, 3200264, 4000330, 6400528, 8000660, 12801056, 16001320, 32002640, 64005280]

約数ペア:

[(1, 64005280), (2, 32002640), (4, 16001320), (5, 12801056), (8, 8000660), (10, 6400528), (16, 4000330), (20, 3200264), (32, 2000165), (40, 1600132), (80, 800066), (160, 400033)]