8131825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 10999296

約数和(自身を除く): 2867471

約数列:

[1, 5, 13, 25, 65, 131, 191, 325, 655, 955, 1703, 2483, 3275, 4775, 8515, 12415, 25021, 42575, 62075, 125105, 325273, 625525, 1626365, 8131825]

約数ペア:

[(1, 8131825), (5, 1626365), (13, 625525), (25, 325273), (65, 125105), (131, 62075), (191, 42575), (325, 25021), (655, 12415), (955, 8515), (1703, 4775), (2483, 3275)]