42821780

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3803}}^1$

素因数の和:4375

約数の個数: 24

約数和(自身を含む): 90109152

約数和(自身を除く): 47287372

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 3803, 5630, 7606, 11260, 15212, 19015, 38030, 76060, 2141089, 4282178, 8564356, 10705445, 21410890, 42821780]

約数ペア:

[(1, 42821780), (2, 21410890), (4, 10705445), (5, 8564356), (10, 4282178), (20, 2141089), (563, 76060), (1126, 38030), (2252, 19015), (2815, 15212), (3803, 11260), (5630, 7606)]