9955020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 48

約数和(自身を含む): 28224000

約数和(自身を除く): 18268980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 1999, 2490, 3998, 4980, 5997, 7996, 9995, 11994, 19990, 23988, 29985, 39980, 59970, 119940, 165917, 331834, 497751, 663668, 829585, 995502, 1659170, 1991004, 2488755, 3318340, 4977510, 9955020]

約数ペア:

[(1, 9955020), (2, 4977510), (3, 3318340), (4, 2488755), (5, 1991004), (6, 1659170), (10, 995502), (12, 829585), (15, 663668), (20, 497751), (30, 331834), (60, 165917), (83, 119940), (166, 59970), (249, 39980), (332, 29985), (415, 23988), (498, 19990), (830, 11994), (996, 9995), (1245, 7996), (1660, 5997), (1999, 4980), (2490, 3998)]