258851960

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{14741}}^1$

素因数の和:15191

約数の個数: 32

約数和(自身を含む): 583783200

約数和(自身を除く): 324931240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 14741, 17560, 29482, 58964, 73705, 117928, 147410, 294820, 589640, 6471299, 12942598, 25885196, 32356495, 51770392, 64712990, 129425980, 258851960]

約数ペア:

[(1, 258851960), (2, 129425980), (4, 64712990), (5, 51770392), (8, 32356495), (10, 25885196), (20, 12942598), (40, 6471299), (439, 589640), (878, 294820), (1756, 147410), (2195, 117928), (3512, 73705), (4390, 58964), (8780, 29482), (14741, 17560)]