80642650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7759

約数の個数: 48

約数和(自身を含む): 172265760

約数和(自身を除く): 91623110

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 7717, 10450, 15434, 38585, 77170, 84887, 146623, 169774, 192925, 293246, 385850, 424435, 733115, 848870, 1466230, 1612853, 2122175, 3225706, 3665575, 4244350, 7331150, 8064265, 16128530, 40321325, 80642650]

約数ペア:

[(1, 80642650), (2, 40321325), (5, 16128530), (10, 8064265), (11, 7331150), (19, 4244350), (22, 3665575), (25, 3225706), (38, 2122175), (50, 1612853), (55, 1466230), (95, 848870), (110, 733115), (190, 424435), (209, 385850), (275, 293246), (418, 192925), (475, 169774), (550, 146623), (950, 84887), (1045, 77170), (2090, 38585), (5225, 15434), (7717, 10450)]