28270160

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1129}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 65996520

約数和(自身を除く): 37726360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1129, 1252, 1565, 2258, 2504, 3130, 4516, 5008, 5645, 6260, 9032, 11290, 12520, 18064, 22580, 25040, 45160, 90320, 353377, 706754, 1413508, 1766885, 2827016, 3533770, 5654032, 7067540, 14135080, 28270160]

約数ペア:

[(1, 28270160), (2, 14135080), (4, 7067540), (5, 5654032), (8, 3533770), (10, 2827016), (16, 1766885), (20, 1413508), (40, 706754), (80, 353377), (313, 90320), (626, 45160), (1129, 25040), (1252, 22580), (1565, 18064), (2258, 12520), (2504, 11290), (3130, 9032), (4516, 6260), (5008, 5645)]