56440840

素因数分解:

$2^3\times 5^1\times {\mathrm{1411021}}^1$

素因数の和:1411032

約数の個数: 16

約数和(自身を含む): 126991980

約数和(自身を除く): 70551140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1411021, 2822042, 5644084, 7055105, 11288168, 14110210, 28220420, 56440840]

約数ペア:

[(1, 56440840), (2, 28220420), (4, 14110210), (5, 11288168), (8, 7055105), (10, 5644084), (20, 2822042), (40, 1411021)]