51355640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10789}}^1$

素因数の和:10824

約数の個数: 64

約数和(自身を含む): 139838400

約数和(自身を除く): 88482760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 10789, 21578, 43156, 53945, 75523, 86312, 107890, 151046, 183413, 215780, 302092, 366826, 377615, 431560, 604184, 733652, 755230, 917065, 1283891, 1467304, 1510460, 1834130, 2567782, 3020920, 3668260, 5135564, 6419455, 7336520, 10271128, 12838910, 25677820, 51355640]

約数ペア:

[(1, 51355640), (2, 25677820), (4, 12838910), (5, 10271128), (7, 7336520), (8, 6419455), (10, 5135564), (14, 3668260), (17, 3020920), (20, 2567782), (28, 1834130), (34, 1510460), (35, 1467304), (40, 1283891), (56, 917065), (68, 755230), (70, 733652), (85, 604184), (119, 431560), (136, 377615), (140, 366826), (170, 302092), (238, 215780), (280, 183413), (340, 151046), (476, 107890), (595, 86312), (680, 75523), (952, 53945), (1190, 43156), (2380, 21578), (4760, 10789)]