54440980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 125737920

約数和(自身を除く): 71296940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 1889, 2620, 2882, 3778, 5764, 7205, 7556, 9445, 14410, 18890, 20779, 28820, 37780, 41558, 83116, 103895, 207790, 247459, 415580, 494918, 989836, 1237295, 2474590, 2722049, 4949180, 5444098, 10888196, 13610245, 27220490, 54440980]

約数ペア:

[(1, 54440980), (2, 27220490), (4, 13610245), (5, 10888196), (10, 5444098), (11, 4949180), (20, 2722049), (22, 2474590), (44, 1237295), (55, 989836), (110, 494918), (131, 415580), (220, 247459), (262, 207790), (524, 103895), (655, 83116), (1310, 41558), (1441, 37780), (1889, 28820), (2620, 20779), (2882, 18890), (3778, 14410), (5764, 9445), (7205, 7556)]