55416140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213139}}^1$

素因数の和:213161

約数の個数: 24

約数和(自身を含む): 125326320

約数和(自身を除く): 69910180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 213139, 426278, 852556, 1065695, 2131390, 2770807, 4262780, 5541614, 11083228, 13854035, 27708070, 55416140]

約数ペア:

[(1, 55416140), (2, 27708070), (4, 13854035), (5, 11083228), (10, 5541614), (13, 4262780), (20, 2770807), (26, 2131390), (52, 1065695), (65, 852556), (130, 426278), (260, 213139)]