12690670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3972

約数の個数: 32

約数和(自身を含む): 25466400

約数和(自身を除く): 12775730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 3929, 7858, 19645, 39290, 66793, 74651, 133586, 149302, 333965, 373255, 667930, 746510, 1269067, 2538134, 6345335, 12690670]

約数ペア:

[(1, 12690670), (2, 6345335), (5, 2538134), (10, 1269067), (17, 746510), (19, 667930), (34, 373255), (38, 333965), (85, 149302), (95, 133586), (170, 74651), (190, 66793), (323, 39290), (646, 19645), (1615, 7858), (3230, 3929)]