8418440

素因数分解:

$2^3\times 5^1\times {\mathrm{210461}}^1$

素因数の和:210472

約数の個数: 16

約数和(自身を含む): 18941580

約数和(自身を除く): 10523140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210461, 420922, 841844, 1052305, 1683688, 2104610, 4209220, 8418440]

約数ペア:

[(1, 8418440), (2, 4209220), (4, 2104610), (5, 1683688), (8, 1052305), (10, 841844), (20, 420922), (40, 210461)]