28000660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35503340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2099, 2668, 3335, 4198, 6670, 8396, 10495, 13340, 20990, 41980, 48277, 60871, 96554, 121742, 193108, 241385, 243484, 304355, 482770, 608710, 965540, 1217420, 1400033, 2800066, 5600132, 7000165, 14000330, 28000660]

約数ペア:

[(1, 28000660), (2, 14000330), (4, 7000165), (5, 5600132), (10, 2800066), (20, 1400033), (23, 1217420), (29, 965540), (46, 608710), (58, 482770), (92, 304355), (115, 243484), (116, 241385), (145, 193108), (230, 121742), (290, 96554), (460, 60871), (580, 48277), (667, 41980), (1334, 20990), (2099, 13340), (2668, 10495), (3335, 8396), (4198, 6670)]