9381580760

素因数分解:

$2^3\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{118037}}^1$

素因数の和:120035

約数の個数: 32

約数和(自身を含む): 21119358960

約数和(自身を除く): 11737778200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1987, 3974, 7948, 9935, 15896, 19870, 39740, 79480, 118037, 236074, 472148, 590185, 944296, 1180370, 2360740, 4721480, 234539519, 469079038, 938158076, 1172697595, 1876316152, 2345395190, 4690790380, 9381580760]

約数ペア:

[(1, 9381580760), (2, 4690790380), (4, 2345395190), (5, 1876316152), (8, 1172697595), (10, 938158076), (20, 469079038), (40, 234539519), (1987, 4721480), (3974, 2360740), (7948, 1180370), (9935, 944296), (15896, 590185), (19870, 472148), (39740, 236074), (79480, 118037)]