18101120

素因数分解:

$2^7\times 5^1\times {\mathrm{28283}}^1$

素因数の和:28302

約数の個数: 32

約数和(自身を含む): 43274520

約数和(自身を除く): 25173400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28283, 56566, 113132, 141415, 226264, 282830, 452528, 565660, 905056, 1131320, 1810112, 2262640, 3620224, 4525280, 9050560, 18101120]

約数ペア:

[(1, 18101120), (2, 9050560), (4, 4525280), (5, 3620224), (8, 2262640), (10, 1810112), (16, 1131320), (20, 905056), (32, 565660), (40, 452528), (64, 282830), (80, 226264), (128, 141415), (160, 113132), (320, 56566), (640, 28283)]