55991380

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4327}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 117790848

約数和(自身を除く): 61799468

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 4327, 6470, 8654, 12940, 17308, 21635, 43270, 86540, 2799569, 5599138, 11198276, 13997845, 27995690, 55991380]

約数ペア:

[(1, 55991380), (2, 27995690), (4, 13997845), (5, 11198276), (10, 5599138), (20, 2799569), (647, 86540), (1294, 43270), (2588, 21635), (3235, 17308), (4327, 12940), (6470, 8654)]