13128940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17352980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 719, 830, 913, 1438, 1660, 1826, 2876, 3595, 3652, 4565, 7190, 7909, 9130, 14380, 15818, 18260, 31636, 39545, 59677, 79090, 119354, 158180, 238708, 298385, 596770, 656447, 1193540, 1312894, 2625788, 3282235, 6564470, 13128940]

約数ペア:

[(1, 13128940), (2, 6564470), (4, 3282235), (5, 2625788), (10, 1312894), (11, 1193540), (20, 656447), (22, 596770), (44, 298385), (55, 238708), (83, 158180), (110, 119354), (166, 79090), (220, 59677), (332, 39545), (415, 31636), (719, 18260), (830, 15818), (913, 14380), (1438, 9130), (1660, 7909), (1826, 7190), (2876, 4565), (3595, 3652)]