55387780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{395627}}^1$

素因数の和:395643

約数の個数: 24

約数和(自身を含む): 132931008

約数和(自身を除く): 77543228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 395627, 791254, 1582508, 1978135, 2769389, 3956270, 5538778, 7912540, 11077556, 13846945, 27693890, 55387780]

約数ペア:

[(1, 55387780), (2, 27693890), (4, 13846945), (5, 11077556), (7, 7912540), (10, 5538778), (14, 3956270), (20, 2769389), (28, 1978135), (35, 1582508), (70, 791254), (140, 395627)]