157438520

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{8501}}^1$

素因数の和:8975

約数の個数: 32

約数和(自身を含む): 355043520

約数和(自身を除く): 197605000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 8501, 9260, 17002, 18520, 34004, 42505, 68008, 85010, 170020, 340040, 3935963, 7871926, 15743852, 19679815, 31487704, 39359630, 78719260, 157438520]

約数ペア:

[(1, 157438520), (2, 78719260), (4, 39359630), (5, 31487704), (8, 19679815), (10, 15743852), (20, 7871926), (40, 3935963), (463, 340040), (926, 170020), (1852, 85010), (2315, 68008), (3704, 42505), (4630, 34004), (8501, 18520), (9260, 17002)]