133907720

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6577}}^1$

素因数の和:7097

約数の個数: 32

約数和(自身を含む): 301930200

約数和(自身を除く): 168022480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 6577, 10180, 13154, 20360, 26308, 32885, 52616, 65770, 131540, 263080, 3347693, 6695386, 13390772, 16738465, 26781544, 33476930, 66953860, 133907720]

約数ペア:

[(1, 133907720), (2, 66953860), (4, 33476930), (5, 26781544), (8, 16738465), (10, 13390772), (20, 6695386), (40, 3347693), (509, 263080), (1018, 131540), (2036, 65770), (2545, 52616), (4072, 32885), (5090, 26308), (6577, 20360), (10180, 13154)]