51132040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3541}}^1$

素因数の和:3590

約数の個数: 48

約数和(自身を含む): 121455180

約数和(自身を除く): 70323140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3541, 3610, 7082, 7220, 14164, 14440, 17705, 28328, 35410, 67279, 70820, 134558, 141640, 269116, 336395, 538232, 672790, 1278301, 1345580, 2556602, 2691160, 5113204, 6391505, 10226408, 12783010, 25566020, 51132040]

約数ペア:

[(1, 51132040), (2, 25566020), (4, 12783010), (5, 10226408), (8, 6391505), (10, 5113204), (19, 2691160), (20, 2556602), (38, 1345580), (40, 1278301), (76, 672790), (95, 538232), (152, 336395), (190, 269116), (361, 141640), (380, 134558), (722, 70820), (760, 67279), (1444, 35410), (1805, 28328), (2888, 17705), (3541, 14440), (3610, 14164), (7082, 7220)]