64210760

素因数分解:

$2^3\times 5^1\times {\mathrm{1605269}}^1$

素因数の和:1605280

約数の個数: 16

約数和(自身を含む): 144474300

約数和(自身を除く): 80263540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1605269, 3210538, 6421076, 8026345, 12842152, 16052690, 32105380, 64210760]

約数ペア:

[(1, 64210760), (2, 32105380), (4, 16052690), (5, 12842152), (8, 8026345), (10, 6421076), (20, 3210538), (40, 1605269)]