2455660

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 5191200

約数和(自身を除く): 2735540

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 617, 796, 995, 1234, 1990, 2468, 3085, 3980, 6170, 12340, 122783, 245566, 491132, 613915, 1227830, 2455660]

約数ペア:

[(1, 2455660), (2, 1227830), (4, 613915), (5, 491132), (10, 245566), (20, 122783), (199, 12340), (398, 6170), (617, 3980), (796, 3085), (995, 2468), (1234, 1990)]