2050480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 5102352

約数和(自身を除く): 3051872

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 361, 380, 568, 710, 722, 760, 1136, 1349, 1420, 1444, 1520, 1805, 2698, 2840, 2888, 3610, 5396, 5680, 5776, 6745, 7220, 10792, 13490, 14440, 21584, 25631, 26980, 28880, 51262, 53960, 102524, 107920, 128155, 205048, 256310, 410096, 512620, 1025240, 2050480]

約数ペア:

[(1, 2050480), (2, 1025240), (4, 512620), (5, 410096), (8, 256310), (10, 205048), (16, 128155), (19, 107920), (20, 102524), (38, 53960), (40, 51262), (71, 28880), (76, 26980), (80, 25631), (95, 21584), (142, 14440), (152, 13490), (190, 10792), (284, 7220), (304, 6745), (355, 5776), (361, 5680), (380, 5396), (568, 3610), (710, 2888), (722, 2840), (760, 2698), (1136, 1805), (1349, 1520), (1420, 1444)]