51564920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117193}}^1$

素因数の和:117215

約数の個数: 32

約数和(自身を含む): 126569520

約数和(自身を除く): 75004600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117193, 234386, 468772, 585965, 937544, 1171930, 1289123, 2343860, 2578246, 4687720, 5156492, 6445615, 10312984, 12891230, 25782460, 51564920]

約数ペア:

[(1, 51564920), (2, 25782460), (4, 12891230), (5, 10312984), (8, 6445615), (10, 5156492), (11, 4687720), (20, 2578246), (22, 2343860), (40, 1289123), (44, 1171930), (55, 937544), (88, 585965), (110, 468772), (220, 234386), (440, 117193)]