5525420

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 11648448

約数和(自身を除く): 6123028

約数列:

[1, 2, 4, 5, 10, 20, 431, 641, 862, 1282, 1724, 2155, 2564, 3205, 4310, 6410, 8620, 12820, 276271, 552542, 1105084, 1381355, 2762710, 5525420]

約数ペア:

[(1, 5525420), (2, 2762710), (4, 1381355), (5, 1105084), (10, 552542), (20, 276271), (431, 12820), (641, 8620), (862, 6410), (1282, 4310), (1724, 3205), (2155, 2564)]