80988545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4079}}^1$

素因数の和:4133

約数の個数: 24

約数和(自身を含む): 111922560

約数和(自身を除く): 30934015

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 4079, 19855, 20395, 44869, 77501, 224345, 387505, 852511, 1472519, 4262555, 7362595, 16197709, 80988545]

約数ペア:

[(1, 80988545), (5, 16197709), (11, 7362595), (19, 4262555), (55, 1472519), (95, 852511), (209, 387505), (361, 224345), (1045, 77501), (1805, 44869), (3971, 20395), (4079, 19855)]