12258980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4679}}^1$

素因数の和:4819

約数の個数: 24

約数和(自身を含む): 25945920

約数和(自身を除く): 13686940

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4679, 9358, 18716, 23395, 46790, 93580, 612949, 1225898, 2451796, 3064745, 6129490, 12258980]

約数ペア:

[(1, 12258980), (2, 6129490), (4, 3064745), (5, 2451796), (10, 1225898), (20, 612949), (131, 93580), (262, 46790), (524, 23395), (655, 18716), (1310, 9358), (2620, 4679)]