12882980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17598940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 1889, 3410, 3778, 6820, 7556, 9445, 18890, 20779, 37780, 41558, 58559, 83116, 103895, 117118, 207790, 234236, 292795, 415580, 585590, 644149, 1171180, 1288298, 2576596, 3220745, 6441490, 12882980]

約数ペア:

[(1, 12882980), (2, 6441490), (4, 3220745), (5, 2576596), (10, 1288298), (11, 1171180), (20, 644149), (22, 585590), (31, 415580), (44, 292795), (55, 234236), (62, 207790), (110, 117118), (124, 103895), (155, 83116), (220, 58559), (310, 41558), (341, 37780), (620, 20779), (682, 18890), (1364, 9445), (1705, 7556), (1889, 6820), (3410, 3778)]