12510191375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1231}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 17989171200

約数和(自身を除く): 5478979825

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 389, 475, 1045, 1231, 1375, 1945, 2375, 4279, 5225, 6155, 7391, 9725, 13541, 21395, 23389, 26125, 30775, 36955, 48625, 67705, 81301, 106975, 116945, 153875, 184775, 257279, 338525, 406505, 478859, 534875, 584725, 923875, 1286395, 1692625, 2032525, 2394295, 2923625, 5267449, 6431975, 9098321, 10162625, 11971475, 26337245, 32159875, 45491605, 59857375, 100081531, 131686225, 227458025, 500407655, 658431125, 1137290125, 2502038275, 12510191375]

約数ペア:

[(1, 12510191375), (5, 2502038275), (11, 1137290125), (19, 658431125), (25, 500407655), (55, 227458025), (95, 131686225), (125, 100081531), (209, 59857375), (275, 45491605), (389, 32159875), (475, 26337245), (1045, 11971475), (1231, 10162625), (1375, 9098321), (1945, 6431975), (2375, 5267449), (4279, 2923625), (5225, 2394295), (6155, 2032525), (7391, 1692625), (9725, 1286395), (13541, 923875), (21395, 584725), (23389, 534875), (26125, 478859), (30775, 406505), (36955, 338525), (48625, 257279), (67705, 184775), (81301, 153875), (106975, 116945)]