27704780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6961}}^1$

素因数の和:7169

約数の個数: 24

約数和(自身を含む): 58480800

約数和(自身を除く): 30776020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 6961, 13922, 27844, 34805, 69610, 139220, 1385239, 2770478, 5540956, 6926195, 13852390, 27704780]

約数ペア:

[(1, 27704780), (2, 13852390), (4, 6926195), (5, 5540956), (10, 2770478), (20, 1385239), (199, 139220), (398, 69610), (796, 34805), (995, 27844), (1990, 13922), (3980, 6961)]