51093560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 80994760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 727, 1004, 1255, 1454, 1757, 2008, 2510, 2908, 3514, 3635, 5020, 5089, 5816, 7028, 7270, 8785, 10040, 10178, 14056, 14540, 17570, 20356, 25445, 29080, 35140, 40712, 50890, 70280, 101780, 182477, 203560, 364954, 729908, 912385, 1277339, 1459816, 1824770, 2554678, 3649540, 5109356, 6386695, 7299080, 10218712, 12773390, 25546780, 51093560]

約数ペア:

[(1, 51093560), (2, 25546780), (4, 12773390), (5, 10218712), (7, 7299080), (8, 6386695), (10, 5109356), (14, 3649540), (20, 2554678), (28, 1824770), (35, 1459816), (40, 1277339), (56, 912385), (70, 729908), (140, 364954), (251, 203560), (280, 182477), (502, 101780), (727, 70280), (1004, 50890), (1255, 40712), (1454, 35140), (1757, 29080), (2008, 25445), (2510, 20356), (2908, 17570), (3514, 14540), (3635, 14056), (5020, 10178), (5089, 10040), (5816, 8785), (7028, 7270)]