26978860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70997}}^1$

素因数の和:71025

約数の個数: 24

約数和(自身を含む): 59638320

約数和(自身を除く): 32659460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 70997, 141994, 283988, 354985, 709970, 1348943, 1419940, 2697886, 5395772, 6744715, 13489430, 26978860]

約数ペア:

[(1, 26978860), (2, 13489430), (4, 6744715), (5, 5395772), (10, 2697886), (19, 1419940), (20, 1348943), (38, 709970), (76, 354985), (95, 283988), (190, 141994), (380, 70997)]