40004840

素因数分解:

$2^3\times 5^1\times {\mathrm{1000121}}^1$

素因数の和:1000132

約数の個数: 16

約数和(自身を含む): 90010980

約数和(自身を除く): 50006140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1000121, 2000242, 4000484, 5000605, 8000968, 10001210, 20002420, 40004840]

約数ペア:

[(1, 40004840), (2, 20002420), (4, 10001210), (5, 8000968), (8, 5000605), (10, 4000484), (20, 2000242), (40, 1000121)]