205424140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{56747}}^1$

素因数の和:56937

約数の個数: 24

約数和(自身を含む): 433781712

約数和(自身を除く): 228357572

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 56747, 113494, 226988, 283735, 567470, 1134940, 10271207, 20542414, 41084828, 51356035, 102712070, 205424140]

約数ペア:

[(1, 205424140), (2, 102712070), (4, 51356035), (5, 41084828), (10, 20542414), (20, 10271207), (181, 1134940), (362, 567470), (724, 283735), (905, 226988), (1810, 113494), (3620, 56747)]