6449680

素因数分解:

$2^4\times 5^1\times {\mathrm{80621}}^1$

素因数の和:80634

約数の個数: 20

約数和(自身を含む): 14995692

約数和(自身を除く): 8546012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80621, 161242, 322484, 403105, 644968, 806210, 1289936, 1612420, 3224840, 6449680]

約数ペア:

[(1, 6449680), (2, 3224840), (4, 1612420), (5, 1289936), (8, 806210), (10, 644968), (16, 403105), (20, 322484), (40, 161242), (80, 80621)]