8521660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60869}}^1$

素因数の和:60885

約数の個数: 24

約数和(自身を含む): 20452320

約数和(自身を除く): 11930660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60869, 121738, 243476, 304345, 426083, 608690, 852166, 1217380, 1704332, 2130415, 4260830, 8521660]

約数ペア:

[(1, 8521660), (2, 4260830), (4, 2130415), (5, 1704332), (7, 1217380), (10, 852166), (14, 608690), (20, 426083), (28, 304345), (35, 243476), (70, 121738), (140, 60869)]