20130110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1$

素因数の和:2049

約数の個数: 64

約数和(自身を含む): 48674304

約数和(自身を除く): 28544194

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2011, 4022, 5005, 10010, 10055, 14077, 20110, 22121, 26143, 28154, 44242, 52286, 70385, 110605, 130715, 140770, 154847, 183001, 221210, 261430, 287573, 309694, 366002, 575146, 774235, 915005, 1437865, 1548470, 1830010, 2013011, 2875730, 4026022, 10065055, 20130110]

約数ペア:

[(1, 20130110), (2, 10065055), (5, 4026022), (7, 2875730), (10, 2013011), (11, 1830010), (13, 1548470), (14, 1437865), (22, 915005), (26, 774235), (35, 575146), (55, 366002), (65, 309694), (70, 287573), (77, 261430), (91, 221210), (110, 183001), (130, 154847), (143, 140770), (154, 130715), (182, 110605), (286, 70385), (385, 52286), (455, 44242), (715, 28154), (770, 26143), (910, 22121), (1001, 20110), (1430, 14077), (2002, 10055), (2011, 10010), (4022, 5005)]