6445940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16963}}^1$

素因数の和:16991

約数の個数: 24

約数和(自身を含む): 14249760

約数和(自身を除く): 7803820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 16963, 33926, 67852, 84815, 169630, 322297, 339260, 644594, 1289188, 1611485, 3222970, 6445940]

約数ペア:

[(1, 6445940), (2, 3222970), (4, 1611485), (5, 1289188), (10, 644594), (19, 339260), (20, 322297), (38, 169630), (76, 84815), (95, 67852), (190, 33926), (380, 16963)]