538117340

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{39979}}^1$

素因数の和:40661

約数の個数: 24

約数和(自身を含む): 1131753840

約数和(自身を除く): 593636500

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 2692, 3365, 6730, 13460, 39979, 79958, 159916, 199895, 399790, 799580, 26905867, 53811734, 107623468, 134529335, 269058670, 538117340]

約数ペア:

[(1, 538117340), (2, 269058670), (4, 134529335), (5, 107623468), (10, 53811734), (20, 26905867), (673, 799580), (1346, 399790), (2692, 199895), (3365, 159916), (6730, 79958), (13460, 39979)]