42178040

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4201}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 95301360

約数和(自身を除く): 53123320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 4201, 5020, 8402, 10040, 16804, 21005, 33608, 42010, 84020, 168040, 1054451, 2108902, 4217804, 5272255, 8435608, 10544510, 21089020, 42178040]

約数ペア:

[(1, 42178040), (2, 21089020), (4, 10544510), (5, 8435608), (8, 5272255), (10, 4217804), (20, 2108902), (40, 1054451), (251, 168040), (502, 84020), (1004, 42010), (1255, 33608), (2008, 21005), (2510, 16804), (4201, 10040), (5020, 8402)]