252956860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4889}}^1$

素因数の和:5110

約数の個数: 48

約数和(自身を含む): 575064000

約数和(自身を除く): 322107140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 4889, 5174, 9778, 10348, 12935, 19556, 24445, 25870, 48890, 51740, 63557, 97780, 127114, 254228, 317785, 635570, 972911, 1271140, 1945822, 3891644, 4864555, 9729110, 12647843, 19458220, 25295686, 50591372, 63239215, 126478430, 252956860]

約数ペア:

[(1, 252956860), (2, 126478430), (4, 63239215), (5, 50591372), (10, 25295686), (13, 19458220), (20, 12647843), (26, 9729110), (52, 4864555), (65, 3891644), (130, 1945822), (199, 1271140), (260, 972911), (398, 635570), (796, 317785), (995, 254228), (1990, 127114), (2587, 97780), (3980, 63557), (4889, 51740), (5174, 48890), (9778, 25870), (10348, 24445), (12935, 19556)]