13153420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 32256000

約数和(自身を除く): 19102580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 1999, 3290, 3998, 6580, 7996, 9995, 13993, 19990, 27986, 39980, 55972, 69965, 93953, 139930, 187906, 279860, 375812, 469765, 657671, 939530, 1315342, 1879060, 2630684, 3288355, 6576710, 13153420]

約数ペア:

[(1, 13153420), (2, 6576710), (4, 3288355), (5, 2630684), (7, 1879060), (10, 1315342), (14, 939530), (20, 657671), (28, 469765), (35, 375812), (47, 279860), (70, 187906), (94, 139930), (140, 93953), (188, 69965), (235, 55972), (329, 39980), (470, 27986), (658, 19990), (940, 13993), (1316, 9995), (1645, 7996), (1999, 6580), (3290, 3998)]