80647985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 111196800

約数和(自身を除く): 30548815

約数列:

[1, 5, 11, 29, 55, 59, 145, 295, 319, 649, 857, 1595, 1711, 3245, 4285, 8555, 9427, 18821, 24853, 47135, 50563, 94105, 124265, 252815, 273383, 556193, 1366915, 1466327, 2780965, 7331635, 16129597, 80647985]

約数ペア:

[(1, 80647985), (5, 16129597), (11, 7331635), (29, 2780965), (55, 1466327), (59, 1366915), (145, 556193), (295, 273383), (319, 252815), (649, 124265), (857, 94105), (1595, 50563), (1711, 47135), (3245, 24853), (4285, 18821), (8555, 9427)]