80384440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105769}}^1$

素因数の和:105799

約数の個数: 32

約数和(自身を含む): 190386000

約数和(自身を除く): 110001560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105769, 211538, 423076, 528845, 846152, 1057690, 2009611, 2115380, 4019222, 4230760, 8038444, 10048055, 16076888, 20096110, 40192220, 80384440]

約数ペア:

[(1, 80384440), (2, 40192220), (4, 20096110), (5, 16076888), (8, 10048055), (10, 8038444), (19, 4230760), (20, 4019222), (38, 2115380), (40, 2009611), (76, 1057690), (95, 846152), (152, 528845), (190, 423076), (380, 211538), (760, 105769)]