13191040

素因数分解:

$2^7\times 5^1\times {\mathrm{20611}}^1$

素因数の和:20630

約数の個数: 32

約数和(自身を含む): 31536360

約数和(自身を除く): 18345320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20611, 41222, 82444, 103055, 164888, 206110, 329776, 412220, 659552, 824440, 1319104, 1648880, 2638208, 3297760, 6595520, 13191040]

約数ペア:

[(1, 13191040), (2, 6595520), (4, 3297760), (5, 2638208), (8, 1648880), (10, 1319104), (16, 824440), (20, 659552), (32, 412220), (40, 329776), (64, 206110), (80, 164888), (128, 103055), (160, 82444), (320, 41222), (640, 20611)]