13040320

素因数分解:

$2^6\times 5^1\times {\mathrm{40751}}^1$

素因数の和:40768

約数の個数: 28

約数和(自身を含む): 31053024

約数和(自身を除く): 18012704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40751, 81502, 163004, 203755, 326008, 407510, 652016, 815020, 1304032, 1630040, 2608064, 3260080, 6520160, 13040320]

約数ペア:

[(1, 13040320), (2, 6520160), (4, 3260080), (5, 2608064), (8, 1630040), (10, 1304032), (16, 815020), (20, 652016), (32, 407510), (40, 326008), (64, 203755), (80, 163004), (160, 81502), (320, 40751)]