2013072520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{8543}}^1$

素因数の和:8734

約数の個数: 64

約数和(自身を含む): 4669125120

約数和(自身を除く): 2656052600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 1096, 1370, 1720, 2740, 5480, 5891, 8543, 11782, 17086, 23564, 29455, 34172, 42715, 47128, 58910, 68344, 85430, 117820, 170860, 235640, 341720, 367349, 734698, 1170391, 1469396, 1836745, 2340782, 2938792, 3673490, 4681564, 5851955, 7346980, 9363128, 11703910, 14693960, 23407820, 46815640, 50326813, 100653626, 201307252, 251634065, 402614504, 503268130, 1006536260, 2013072520]

約数ペア:

[(1, 2013072520), (2, 1006536260), (4, 503268130), (5, 402614504), (8, 251634065), (10, 201307252), (20, 100653626), (40, 50326813), (43, 46815640), (86, 23407820), (137, 14693960), (172, 11703910), (215, 9363128), (274, 7346980), (344, 5851955), (430, 4681564), (548, 3673490), (685, 2938792), (860, 2340782), (1096, 1836745), (1370, 1469396), (1720, 1170391), (2740, 734698), (5480, 367349), (5891, 341720), (8543, 235640), (11782, 170860), (17086, 117820), (23564, 85430), (29455, 68344), (34172, 58910), (42715, 47128)]