12471940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47969}}^1$

素因数の和:47991

約数の個数: 24

約数和(自身を含む): 28206360

約数和(自身を除く): 15734420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47969, 95938, 191876, 239845, 479690, 623597, 959380, 1247194, 2494388, 3117985, 6235970, 12471940]

約数ペア:

[(1, 12471940), (2, 6235970), (4, 3117985), (5, 2494388), (10, 1247194), (13, 959380), (20, 623597), (26, 479690), (52, 239845), (65, 191876), (130, 95938), (260, 47969)]