13083520

素因数分解:

$2^7\times 5^1\times {\mathrm{20443}}^1$

素因数の和:20462

約数の個数: 32

約数和(自身を含む): 31279320

約数和(自身を除く): 18195800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20443, 40886, 81772, 102215, 163544, 204430, 327088, 408860, 654176, 817720, 1308352, 1635440, 2616704, 3270880, 6541760, 13083520]

約数ペア:

[(1, 13083520), (2, 6541760), (4, 3270880), (5, 2616704), (8, 1635440), (10, 1308352), (16, 817720), (20, 654176), (32, 408860), (40, 327088), (64, 204430), (80, 163544), (128, 102215), (160, 81772), (320, 40886), (640, 20443)]