8916820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40531}}^1$

素因数の和:40551

約数の個数: 24

約数和(自身を含む): 20428128

約数和(自身を除く): 11511308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 40531, 81062, 162124, 202655, 405310, 445841, 810620, 891682, 1783364, 2229205, 4458410, 8916820]

約数ペア:

[(1, 8916820), (2, 4458410), (4, 2229205), (5, 1783364), (10, 891682), (11, 810620), (20, 445841), (22, 405310), (44, 202655), (55, 162124), (110, 81062), (220, 40531)]