80907725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 104165952

約数和(自身を除く): 23258227

約数列:

[1, 5, 25, 43, 73, 215, 365, 1031, 1075, 1825, 3139, 5155, 15695, 25775, 44333, 75263, 78475, 221665, 376315, 1108325, 1881575, 3236309, 16181545, 80907725]

約数ペア:

[(1, 80907725), (5, 16181545), (25, 3236309), (43, 1881575), (73, 1108325), (215, 376315), (365, 221665), (1031, 78475), (1075, 75263), (1825, 44333), (3139, 25775), (5155, 15695)]