55855660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398969}}^1$

素因数の和:398985

約数の個数: 24

約数和(自身を含む): 134053920

約数和(自身を除く): 78198260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398969, 797938, 1595876, 1994845, 2792783, 3989690, 5585566, 7979380, 11171132, 13963915, 27927830, 55855660]

約数ペア:

[(1, 55855660), (2, 27927830), (4, 13963915), (5, 11171132), (7, 7979380), (10, 5585566), (14, 3989690), (20, 2792783), (28, 1994845), (35, 1595876), (70, 797938), (140, 398969)]