51823580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 113400000

約数和(自身を除く): 61576420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 449, 580, 796, 898, 995, 1796, 1990, 2245, 3980, 4490, 5771, 8980, 11542, 13021, 23084, 26042, 28855, 52084, 57710, 65105, 89351, 115420, 130210, 178702, 260420, 357404, 446755, 893510, 1787020, 2591179, 5182358, 10364716, 12955895, 25911790, 51823580]

約数ペア:

[(1, 51823580), (2, 25911790), (4, 12955895), (5, 10364716), (10, 5182358), (20, 2591179), (29, 1787020), (58, 893510), (116, 446755), (145, 357404), (199, 260420), (290, 178702), (398, 130210), (449, 115420), (580, 89351), (796, 65105), (898, 57710), (995, 52084), (1796, 28855), (1990, 26042), (2245, 23084), (3980, 13021), (4490, 11542), (5771, 8980)]