201297280

素因数分解:

$2^7\times 5^1\times {\mathrm{314527}}^1$

素因数の和:314546

約数の個数: 32

約数和(自身を含む): 481227840

約数和(自身を除く): 279930560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314527, 629054, 1258108, 1572635, 2516216, 3145270, 5032432, 6290540, 10064864, 12581080, 20129728, 25162160, 40259456, 50324320, 100648640, 201297280]

約数ペア:

[(1, 201297280), (2, 100648640), (4, 50324320), (5, 40259456), (8, 25162160), (10, 20129728), (16, 12581080), (20, 10064864), (32, 6290540), (40, 5032432), (64, 3145270), (80, 2516216), (128, 1572635), (160, 1258108), (320, 629054), (640, 314527)]