16239440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 44140032

約数和(自身を除く): 27900592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 617, 658, 752, 940, 1234, 1316, 1645, 1880, 2468, 2632, 3085, 3290, 3760, 4319, 4936, 5264, 6170, 6580, 8638, 9872, 12340, 13160, 17276, 21595, 24680, 26320, 28999, 34552, 43190, 49360, 57998, 69104, 86380, 115996, 144995, 172760, 202993, 231992, 289990, 345520, 405986, 463984, 579980, 811972, 1014965, 1159960, 1623944, 2029930, 2319920, 3247888, 4059860, 8119720, 16239440]

約数ペア:

[(1, 16239440), (2, 8119720), (4, 4059860), (5, 3247888), (7, 2319920), (8, 2029930), (10, 1623944), (14, 1159960), (16, 1014965), (20, 811972), (28, 579980), (35, 463984), (40, 405986), (47, 345520), (56, 289990), (70, 231992), (80, 202993), (94, 172760), (112, 144995), (140, 115996), (188, 86380), (235, 69104), (280, 57998), (329, 49360), (376, 43190), (470, 34552), (560, 28999), (617, 26320), (658, 24680), (752, 21595), (940, 17276), (1234, 13160), (1316, 12340), (1645, 9872), (1880, 8638), (2468, 6580), (2632, 6170), (3085, 5264), (3290, 4936), (3760, 4319)]