26337680

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 61462584

約数和(自身を除く): 35124904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 821, 1604, 1642, 2005, 3208, 3284, 4010, 4105, 6416, 6568, 8020, 8210, 13136, 16040, 16420, 32080, 32840, 65680, 329221, 658442, 1316884, 1646105, 2633768, 3292210, 5267536, 6584420, 13168840, 26337680]

約数ペア:

[(1, 26337680), (2, 13168840), (4, 6584420), (5, 5267536), (8, 3292210), (10, 2633768), (16, 1646105), (20, 1316884), (40, 658442), (80, 329221), (401, 65680), (802, 32840), (821, 32080), (1604, 16420), (1642, 16040), (2005, 13136), (3208, 8210), (3284, 8020), (4010, 6568), (4105, 6416)]