420512320

素因数分解:

$2^6\times 5^1\times {\mathrm{1314101}}^1$

素因数の和:1314118

約数の個数: 28

約数和(自身を含む): 1001345724

約数和(自身を除く): 580833404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1314101, 2628202, 5256404, 6570505, 10512808, 13141010, 21025616, 26282020, 42051232, 52564040, 84102464, 105128080, 210256160, 420512320]

約数ペア:

[(1, 420512320), (2, 210256160), (4, 105128080), (5, 84102464), (8, 52564040), (10, 42051232), (16, 26282020), (20, 21025616), (32, 13141010), (40, 10512808), (64, 6570505), (80, 5256404), (160, 2628202), (320, 1314101)]