80708480

素因数分解:

$2^7\times 5^1\times {\mathrm{126107}}^1$

素因数の和:126126

約数の個数: 32

約数和(自身を含む): 192945240

約数和(自身を除く): 112236760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126107, 252214, 504428, 630535, 1008856, 1261070, 2017712, 2522140, 4035424, 5044280, 8070848, 10088560, 16141696, 20177120, 40354240, 80708480]

約数ペア:

[(1, 80708480), (2, 40354240), (4, 20177120), (5, 16141696), (8, 10088560), (10, 8070848), (16, 5044280), (20, 4035424), (32, 2522140), (40, 2017712), (64, 1261070), (80, 1008856), (128, 630535), (160, 504428), (320, 252214), (640, 126107)]