165421940

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{28229}}^1$

素因数の和:28531

約数の個数: 24

約数和(自身を含む): 348584040

約数和(自身を除く): 183162100

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 5860, 28229, 56458, 112916, 141145, 282290, 564580, 8271097, 16542194, 33084388, 41355485, 82710970, 165421940]

約数ペア:

[(1, 165421940), (2, 82710970), (4, 41355485), (5, 33084388), (10, 16542194), (20, 8271097), (293, 564580), (586, 282290), (1172, 141145), (1465, 112916), (2930, 56458), (5860, 28229)]