166797760

素因数分解:

$2^6\times 5^1\times {\mathrm{521243}}^1$

素因数の和:521260

約数の個数: 28

約数和(自身を含む): 397187928

約数和(自身を除く): 230390168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 521243, 1042486, 2084972, 2606215, 4169944, 5212430, 8339888, 10424860, 16679776, 20849720, 33359552, 41699440, 83398880, 166797760]

約数ペア:

[(1, 166797760), (2, 83398880), (4, 41699440), (5, 33359552), (8, 20849720), (10, 16679776), (16, 10424860), (20, 8339888), (32, 5212430), (40, 4169944), (64, 2606215), (80, 2084972), (160, 1042486), (320, 521243)]