19885120

素因数分解:

$2^6\times 5^1\times {\mathrm{62141}}^1$

素因数の和:62158

約数の個数: 28

約数和(自身を含む): 47352204

約数和(自身を除く): 27467084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62141, 124282, 248564, 310705, 497128, 621410, 994256, 1242820, 1988512, 2485640, 3977024, 4971280, 9942560, 19885120]

約数ペア:

[(1, 19885120), (2, 9942560), (4, 4971280), (5, 3977024), (8, 2485640), (10, 1988512), (16, 1242820), (20, 994256), (32, 621410), (40, 497128), (64, 310705), (80, 248564), (160, 124282), (320, 62141)]