80989825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14929}}^1$

素因数の和:14977

約数の個数: 24

約数和(自身を含む): 118484480

約数和(自身を除く): 37494655

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 14929, 74645, 104503, 373225, 462799, 522515, 2313995, 2612575, 3239593, 11569975, 16197965, 80989825]

約数ペア:

[(1, 80989825), (5, 16197965), (7, 11569975), (25, 3239593), (31, 2612575), (35, 2313995), (155, 522515), (175, 462799), (217, 373225), (775, 104503), (1085, 74645), (5425, 14929)]