12779290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 23950080

約数和(自身を除く): 11170790

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 439, 710, 878, 2195, 2911, 4390, 5822, 14555, 17999, 29110, 31169, 35998, 62338, 89995, 155845, 179990, 311690, 1277929, 2555858, 6389645, 12779290]

約数ペア:

[(1, 12779290), (2, 6389645), (5, 2555858), (10, 1277929), (41, 311690), (71, 179990), (82, 155845), (142, 89995), (205, 62338), (355, 35998), (410, 31169), (439, 29110), (710, 17999), (878, 14555), (2195, 5822), (2911, 4390)]