87030970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1721}}^1$

素因数の和:2130

約数の個数: 32

約数和(自身を含む): 169238160

約数和(自身を除く): 82207190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1721, 1945, 3442, 3890, 5057, 8605, 10114, 17210, 22373, 25285, 44746, 50570, 111865, 223730, 669469, 1338938, 3347345, 6694690, 8703097, 17406194, 43515485, 87030970]

約数ペア:

[(1, 87030970), (2, 43515485), (5, 17406194), (10, 8703097), (13, 6694690), (26, 3347345), (65, 1338938), (130, 669469), (389, 223730), (778, 111865), (1721, 50570), (1945, 44746), (3442, 25285), (3890, 22373), (5057, 17210), (8605, 10114)]