12940090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{44621}}^1$

素因数の和:44657

約数の個数: 16

約数和(自身を含む): 24095880

約数和(自身を除く): 11155790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 44621, 89242, 223105, 446210, 1294009, 2588018, 6470045, 12940090]

約数ペア:

[(1, 12940090), (2, 6470045), (5, 2588018), (10, 1294009), (29, 446210), (58, 223105), (145, 89242), (290, 44621)]