8119720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 21358080

約数和(自身を除く): 13238360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 617, 658, 940, 1234, 1316, 1645, 1880, 2468, 2632, 3085, 3290, 4319, 4936, 6170, 6580, 8638, 12340, 13160, 17276, 21595, 24680, 28999, 34552, 43190, 57998, 86380, 115996, 144995, 172760, 202993, 231992, 289990, 405986, 579980, 811972, 1014965, 1159960, 1623944, 2029930, 4059860, 8119720]

約数ペア:

[(1, 8119720), (2, 4059860), (4, 2029930), (5, 1623944), (7, 1159960), (8, 1014965), (10, 811972), (14, 579980), (20, 405986), (28, 289990), (35, 231992), (40, 202993), (47, 172760), (56, 144995), (70, 115996), (94, 86380), (140, 57998), (188, 43190), (235, 34552), (280, 28999), (329, 24680), (376, 21595), (470, 17276), (617, 13160), (658, 12340), (940, 8638), (1234, 6580), (1316, 6170), (1645, 4936), (1880, 4319), (2468, 3290), (2632, 3085)]