80632685

素因数分解:

$5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 112976280

約数和(自身を除く): 32343595

約数列:

[1, 5, 7, 35, 49, 245, 397, 829, 1985, 2779, 4145, 5803, 13895, 19453, 29015, 40621, 97265, 203105, 329113, 1645565, 2303791, 11518955, 16126537, 80632685]

約数ペア:

[(1, 80632685), (5, 16126537), (7, 11518955), (35, 2303791), (49, 1645565), (245, 329113), (397, 203105), (829, 97265), (1985, 40621), (2779, 29015), (4145, 19453), (5803, 13895)]