82816400

素因数分解:

$2^4\times 5^2\times {\mathrm{207041}}^1$

素因数の和:207059

約数の個数: 30

約数和(自身を含む): 198967362

約数和(自身を除く): 116150962

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 207041, 414082, 828164, 1035205, 1656328, 2070410, 3312656, 4140820, 5176025, 8281640, 10352050, 16563280, 20704100, 41408200, 82816400]

約数ペア:

[(1, 82816400), (2, 41408200), (4, 20704100), (5, 16563280), (8, 10352050), (10, 8281640), (16, 5176025), (20, 4140820), (25, 3312656), (40, 2070410), (50, 1656328), (80, 1035205), (100, 828164), (200, 414082), (400, 207041)]