26431180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 57960000

約数和(自身を除く): 31528820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 229, 290, 398, 458, 580, 796, 916, 995, 1145, 1990, 2290, 3980, 4580, 5771, 6641, 11542, 13282, 23084, 26564, 28855, 33205, 45571, 57710, 66410, 91142, 115420, 132820, 182284, 227855, 455710, 911420, 1321559, 2643118, 5286236, 6607795, 13215590, 26431180]

約数ペア:

[(1, 26431180), (2, 13215590), (4, 6607795), (5, 5286236), (10, 2643118), (20, 1321559), (29, 911420), (58, 455710), (116, 227855), (145, 182284), (199, 132820), (229, 115420), (290, 91142), (398, 66410), (458, 57710), (580, 45571), (796, 33205), (916, 28855), (995, 26564), (1145, 23084), (1990, 13282), (2290, 11542), (3980, 6641), (4580, 5771)]