13612720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 35712000

約数和(自身を除く): 22099280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 499, 620, 682, 880, 998, 1240, 1364, 1705, 1996, 2480, 2495, 2728, 3410, 3992, 4990, 5456, 5489, 6820, 7984, 9980, 10978, 13640, 15469, 19960, 21956, 27280, 27445, 30938, 39920, 43912, 54890, 61876, 77345, 87824, 109780, 123752, 154690, 170159, 219560, 247504, 309380, 340318, 439120, 618760, 680636, 850795, 1237520, 1361272, 1701590, 2722544, 3403180, 6806360, 13612720]

約数ペア:

[(1, 13612720), (2, 6806360), (4, 3403180), (5, 2722544), (8, 1701590), (10, 1361272), (11, 1237520), (16, 850795), (20, 680636), (22, 618760), (31, 439120), (40, 340318), (44, 309380), (55, 247504), (62, 219560), (80, 170159), (88, 154690), (110, 123752), (124, 109780), (155, 87824), (176, 77345), (220, 61876), (248, 54890), (310, 43912), (341, 39920), (440, 30938), (496, 27445), (499, 27280), (620, 21956), (682, 19960), (880, 15469), (998, 13640), (1240, 10978), (1364, 9980), (1705, 7984), (1996, 6820), (2480, 5489), (2495, 5456), (2728, 4990), (3410, 3992)]