26860420

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1231}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 56504448

約数和(自身を除く): 29644028

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1231, 2182, 2462, 4364, 4924, 5455, 6155, 10910, 12310, 21820, 24620, 1343021, 2686042, 5372084, 6715105, 13430210, 26860420]

約数ペア:

[(1, 26860420), (2, 13430210), (4, 6715105), (5, 5372084), (10, 2686042), (20, 1343021), (1091, 24620), (1231, 21820), (2182, 12310), (2462, 10910), (4364, 6155), (4924, 5455)]