40961680

素因数分解:

$2^4\times 5^1\times {\mathrm{512021}}^1$

素因数の和:512034

約数の個数: 20

約数和(自身を含む): 95236092

約数和(自身を除く): 54274412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 512021, 1024042, 2048084, 2560105, 4096168, 5120210, 8192336, 10240420, 20480840, 40961680]

約数ペア:

[(1, 40961680), (2, 20480840), (4, 10240420), (5, 8192336), (8, 5120210), (10, 4096168), (16, 2560105), (20, 2048084), (40, 1024042), (80, 512021)]