8091340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 18144000

約数和(自身を除く): 10052660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 199, 214, 380, 398, 428, 535, 796, 995, 1070, 1990, 2033, 2140, 3781, 3980, 4066, 7562, 8132, 10165, 15124, 18905, 20330, 21293, 37810, 40660, 42586, 75620, 85172, 106465, 212930, 404567, 425860, 809134, 1618268, 2022835, 4045670, 8091340]

約数ペア:

[(1, 8091340), (2, 4045670), (4, 2022835), (5, 1618268), (10, 809134), (19, 425860), (20, 404567), (38, 212930), (76, 106465), (95, 85172), (107, 75620), (190, 42586), (199, 40660), (214, 37810), (380, 21293), (398, 20330), (428, 18905), (535, 15124), (796, 10165), (995, 8132), (1070, 7562), (1990, 4066), (2033, 3980), (2140, 3781)]