2064228980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{51839}}^1$

素因数の和:52040

約数の個数: 48

約数和(自身を含む): 4755179520

約数和(自身を除く): 2690950540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 39820, 51839, 103678, 207356, 259195, 518390, 570229, 1036780, 1140458, 2280916, 2851145, 5702290, 9382859, 11404580, 18765718, 37531436, 46914295, 93828590, 103211449, 187657180, 206422898, 412845796, 516057245, 1032114490, 2064228980]

約数ペア:

[(1, 2064228980), (2, 1032114490), (4, 516057245), (5, 412845796), (10, 206422898), (11, 187657180), (20, 103211449), (22, 93828590), (44, 46914295), (55, 37531436), (110, 18765718), (181, 11404580), (220, 9382859), (362, 5702290), (724, 2851145), (905, 2280916), (1810, 1140458), (1991, 1036780), (3620, 570229), (3982, 518390), (7964, 259195), (9955, 207356), (19910, 103678), (39820, 51839)]