13247420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 30119040

約数和(自身を除く): 16871620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 829, 940, 1598, 1658, 3196, 3316, 3995, 4145, 7990, 8290, 14093, 15980, 16580, 28186, 38963, 56372, 70465, 77926, 140930, 155852, 194815, 281860, 389630, 662371, 779260, 1324742, 2649484, 3311855, 6623710, 13247420]

約数ペア:

[(1, 13247420), (2, 6623710), (4, 3311855), (5, 2649484), (10, 1324742), (17, 779260), (20, 662371), (34, 389630), (47, 281860), (68, 194815), (85, 155852), (94, 140930), (170, 77926), (188, 70465), (235, 56372), (340, 38963), (470, 28186), (799, 16580), (829, 15980), (940, 14093), (1598, 8290), (1658, 7990), (3196, 4145), (3316, 3995)]