51361940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19309}}^1$

素因数の和:19344

約数の個数: 48

約数和(自身を含む): 129763200

約数和(自身を除く): 78401260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19309, 38618, 77236, 96545, 135163, 193090, 270326, 366871, 386180, 540652, 675815, 733742, 1351630, 1467484, 1834355, 2568097, 2703260, 3668710, 5136194, 7337420, 10272388, 12840485, 25680970, 51361940]

約数ペア:

[(1, 51361940), (2, 25680970), (4, 12840485), (5, 10272388), (7, 7337420), (10, 5136194), (14, 3668710), (19, 2703260), (20, 2568097), (28, 1834355), (35, 1467484), (38, 1351630), (70, 733742), (76, 675815), (95, 540652), (133, 386180), (140, 366871), (190, 270326), (266, 193090), (380, 135163), (532, 96545), (665, 77236), (1330, 38618), (2660, 19309)]