165874760

素因数分解:

$2^3\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{2087}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 373584960

約数和(自身を除く): 207710200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1987, 2087, 3974, 4174, 7948, 8348, 9935, 10435, 15896, 16696, 19870, 20870, 39740, 41740, 79480, 83480, 4146869, 8293738, 16587476, 20734345, 33174952, 41468690, 82937380, 165874760]

約数ペア:

[(1, 165874760), (2, 82937380), (4, 41468690), (5, 33174952), (8, 20734345), (10, 16587476), (20, 8293738), (40, 4146869), (1987, 83480), (2087, 79480), (3974, 41740), (4174, 39740), (7948, 20870), (8348, 19870), (9935, 16696), (10435, 15896)]