84316840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16091}}^1$

素因数の和:16233

約数の個数: 32

約数和(自身を含む): 191172960

約数和(自身を除く): 106856120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16091, 32182, 64364, 80455, 128728, 160910, 321820, 643640, 2107921, 4215842, 8431684, 10539605, 16863368, 21079210, 42158420, 84316840]

約数ペア:

[(1, 84316840), (2, 42158420), (4, 21079210), (5, 16863368), (8, 10539605), (10, 8431684), (20, 4215842), (40, 2107921), (131, 643640), (262, 321820), (524, 160910), (655, 128728), (1048, 80455), (1310, 64364), (2620, 32182), (5240, 16091)]