8949640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31963}}^1$

素因数の和:31981

約数の個数: 32

約数和(自身を含む): 23014080

約数和(自身を除く): 14064440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31963, 63926, 127852, 159815, 223741, 255704, 319630, 447482, 639260, 894964, 1118705, 1278520, 1789928, 2237410, 4474820, 8949640]

約数ペア:

[(1, 8949640), (2, 4474820), (4, 2237410), (5, 1789928), (7, 1278520), (8, 1118705), (10, 894964), (14, 639260), (20, 447482), (28, 319630), (35, 255704), (40, 223741), (56, 159815), (70, 127852), (140, 63926), (280, 31963)]