245864125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 335252736

約数和(自身を除く): 89388611

約数列:

[1, 5, 13, 25, 65, 71, 125, 325, 355, 923, 1625, 1775, 2131, 4615, 8875, 10655, 23075, 27703, 53275, 115375, 138515, 151301, 266375, 692575, 756505, 1966913, 3462875, 3782525, 9834565, 18912625, 49172825, 245864125]

約数ペア:

[(1, 245864125), (5, 49172825), (13, 18912625), (25, 9834565), (65, 3782525), (71, 3462875), (125, 1966913), (325, 756505), (355, 692575), (923, 266375), (1625, 151301), (1775, 138515), (2131, 115375), (4615, 53275), (8875, 27703), (10655, 23075)]