401020670

素因数分解:

$2^1\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{22441}}^1$

素因数の和:24235

約数の個数: 16

約数和(自身を含む): 722273328

約数和(自身を除く): 321252658

約数列:

[1, 2, 5, 10, 1787, 3574, 8935, 17870, 22441, 44882, 112205, 224410, 40102067, 80204134, 200510335, 401020670]

約数ペア:

[(1, 401020670), (2, 200510335), (5, 80204134), (10, 40102067), (1787, 224410), (3574, 112205), (8935, 44882), (17870, 22441)]