87400220

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{2927}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 183726144

約数和(自身を除く): 96325924

約数列:

[1, 2, 4, 5, 10, 20, 1493, 2927, 2986, 5854, 5972, 7465, 11708, 14635, 14930, 29270, 29860, 58540, 4370011, 8740022, 17480044, 21850055, 43700110, 87400220]

約数ペア:

[(1, 87400220), (2, 43700110), (4, 21850055), (5, 17480044), (10, 8740022), (20, 4370011), (1493, 58540), (2927, 29860), (2986, 29270), (5854, 14930), (5972, 14635), (7465, 11708)]