164894080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19819}}^1$

素因数の和:19851

約数の個数: 64

約数和(自身を含む): 424544400

約数和(自身を除く): 259650320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 19819, 39638, 79276, 99095, 158552, 198190, 257647, 317104, 396380, 515294, 634208, 792760, 1030588, 1268416, 1288235, 1585520, 2061176, 2536832, 2576470, 3171040, 4122352, 5152940, 6342080, 8244704, 10305880, 12684160, 16489408, 20611760, 32978816, 41223520, 82447040, 164894080]

約数ペア:

[(1, 164894080), (2, 82447040), (4, 41223520), (5, 32978816), (8, 20611760), (10, 16489408), (13, 12684160), (16, 10305880), (20, 8244704), (26, 6342080), (32, 5152940), (40, 4122352), (52, 3171040), (64, 2576470), (65, 2536832), (80, 2061176), (104, 1585520), (128, 1288235), (130, 1268416), (160, 1030588), (208, 792760), (260, 634208), (320, 515294), (416, 396380), (520, 317104), (640, 257647), (832, 198190), (1040, 158552), (1664, 99095), (2080, 79276), (4160, 39638), (8320, 19819)]