211640147720

素因数分解:

$2^3\times 5^1\times {\mathrm{5291003693}}^1$

素因数の和:5291003704

約数の個数: 16

約数和(自身を含む): 476190332460

約数和(自身を除く): 264550184740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5291003693, 10582007386, 21164014772, 26455018465, 42328029544, 52910036930, 105820073860, 211640147720]

約数ペア:

[(1, 211640147720), (2, 105820073860), (4, 52910036930), (5, 42328029544), (8, 26455018465), (10, 21164014772), (20, 10582007386), (40, 5291003693)]