8221940

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1811}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 17351712

約数和(自身を除く): 9129772

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 1811, 2270, 3622, 4540, 7244, 9055, 18110, 36220, 411097, 822194, 1644388, 2055485, 4110970, 8221940]

約数ペア:

[(1, 8221940), (2, 4110970), (4, 2055485), (5, 1644388), (10, 822194), (20, 411097), (227, 36220), (454, 18110), (908, 9055), (1135, 7244), (1811, 4540), (2270, 3622)]