66400

素因数分解:

$2^5\times 5^2\times {\mathrm{83}}^1$

素因数の和:103

約数の個数: 36

約数和(自身を含む): 164052

約数和(自身を除く): 97652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 83, 100, 160, 166, 200, 332, 400, 415, 664, 800, 830, 1328, 1660, 2075, 2656, 3320, 4150, 6640, 8300, 13280, 16600, 33200, 66400]

約数ペア:

[(1, 66400), (2, 33200), (4, 16600), (5, 13280), (8, 8300), (10, 6640), (16, 4150), (20, 3320), (25, 2656), (32, 2075), (40, 1660), (50, 1328), (80, 830), (83, 800), (100, 664), (160, 415), (166, 400), (200, 332)]