12965125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 17521920

約数和(自身を除く): 4556795

約数列:

[1, 5, 19, 25, 53, 95, 103, 125, 265, 475, 515, 1007, 1325, 1957, 2375, 2575, 5035, 5459, 6625, 9785, 12875, 25175, 27295, 48925, 103721, 125875, 136475, 244625, 518605, 682375, 2593025, 12965125]

約数ペア:

[(1, 12965125), (5, 2593025), (19, 682375), (25, 518605), (53, 244625), (95, 136475), (103, 125875), (125, 103721), (265, 48925), (475, 27295), (515, 25175), (1007, 12875), (1325, 9785), (1957, 6625), (2375, 5459), (2575, 5035)]