168784124560

素因数分解:

$2^4\times 5^1\times {\mathrm{2109801557}}^1$

素因数の和:2109801570

約数の個数: 20

約数和(自身を含む): 392423089788

約数和(自身を除く): 223638965228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2109801557, 4219603114, 8439206228, 10549007785, 16878412456, 21098015570, 33756824912, 42196031140, 84392062280, 168784124560]

約数ペア:

[(1, 168784124560), (2, 84392062280), (4, 42196031140), (5, 33756824912), (8, 21098015570), (10, 16878412456), (16, 10549007785), (20, 8439206228), (40, 4219603114), (80, 2109801557)]