161008025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{157081}}^1$

素因数の和:157132

約数の個数: 12

約数和(自身を含む): 204520764

約数和(自身を除く): 43512739

約数列:

[1, 5, 25, 41, 205, 1025, 157081, 785405, 3927025, 6440321, 32201605, 161008025]

約数ペア:

[(1, 161008025), (5, 32201605), (25, 6440321), (41, 3927025), (205, 785405), (1025, 157081)]