203669120

素因数分解:

$2^7\times 5^1\times {\mathrm{318233}}^1$

素因数の和:318252

約数の個数: 32

約数和(自身を含む): 486898020

約数和(自身を除く): 283228900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 318233, 636466, 1272932, 1591165, 2545864, 3182330, 5091728, 6364660, 10183456, 12729320, 20366912, 25458640, 40733824, 50917280, 101834560, 203669120]

約数ペア:

[(1, 203669120), (2, 101834560), (4, 50917280), (5, 40733824), (8, 25458640), (10, 20366912), (16, 12729320), (20, 10183456), (32, 6364660), (40, 5091728), (64, 3182330), (80, 2545864), (128, 1591165), (160, 1272932), (320, 636466), (640, 318233)]