80394875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 111421440

約数和(自身を除く): 31026565

約数列:

[1, 5, 11, 25, 55, 59, 125, 275, 295, 649, 991, 1375, 1475, 3245, 4955, 7375, 10901, 16225, 24775, 54505, 58469, 81125, 123875, 272525, 292345, 643159, 1362625, 1461725, 3215795, 7308625, 16078975, 80394875]

約数ペア:

[(1, 80394875), (5, 16078975), (11, 7308625), (25, 3215795), (55, 1461725), (59, 1362625), (125, 643159), (275, 292345), (295, 272525), (649, 123875), (991, 81125), (1375, 58469), (1475, 54505), (3245, 24775), (4955, 16225), (7375, 10901)]