8518180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 20160000

約数和(自身を除く): 11641820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1249, 1364, 1705, 2498, 3410, 4996, 6245, 6820, 12490, 13739, 24980, 27478, 38719, 54956, 68695, 77438, 137390, 154876, 193595, 274780, 387190, 425909, 774380, 851818, 1703636, 2129545, 4259090, 8518180]

約数ペア:

[(1, 8518180), (2, 4259090), (4, 2129545), (5, 1703636), (10, 851818), (11, 774380), (20, 425909), (22, 387190), (31, 274780), (44, 193595), (55, 154876), (62, 137390), (110, 77438), (124, 68695), (155, 54956), (220, 38719), (310, 27478), (341, 24980), (620, 13739), (682, 12490), (1249, 6820), (1364, 6245), (1705, 4996), (2498, 3410)]