51201580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{134741}}^1$

素因数の和:134769

約数の個数: 24

約数和(自身を含む): 113183280

約数和(自身を除く): 61981700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 134741, 269482, 538964, 673705, 1347410, 2560079, 2694820, 5120158, 10240316, 12800395, 25600790, 51201580]

約数ペア:

[(1, 51201580), (2, 25600790), (4, 12800395), (5, 10240316), (10, 5120158), (19, 2694820), (20, 2560079), (38, 1347410), (76, 673705), (95, 538964), (190, 269482), (380, 134741)]