315937040

素因数分解:

$2^4\times 5^1\times {\mathrm{3949213}}^1$

素因数の和:3949226

約数の個数: 20

約数和(自身を含む): 734553804

約数和(自身を除く): 418616764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3949213, 7898426, 15796852, 19746065, 31593704, 39492130, 63187408, 78984260, 157968520, 315937040]

約数ペア:

[(1, 315937040), (2, 157968520), (4, 78984260), (5, 63187408), (8, 39492130), (10, 31593704), (16, 19746065), (20, 15796852), (40, 7898426), (80, 3949213)]