40819408

素因数分解:

$2^4\times 7^1\times {\mathrm{364459}}^1$

素因数の和:364474

約数の個数: 20

約数和(自身を含む): 90386080

約数和(自身を除く): 49566672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 364459, 728918, 1457836, 2551213, 2915672, 5102426, 5831344, 10204852, 20409704, 40819408]

約数ペア:

[(1, 40819408), (2, 20409704), (4, 10204852), (7, 5831344), (8, 5102426), (14, 2915672), (16, 2551213), (28, 1457836), (56, 728918), (112, 364459)]