201340780

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{55619}}^1$

素因数の和:55809

約数の個数: 24

約数和(自身を含む): 425159280

約数和(自身を除く): 223818500

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 55619, 111238, 222476, 278095, 556190, 1112380, 10067039, 20134078, 40268156, 50335195, 100670390, 201340780]

約数ペア:

[(1, 201340780), (2, 100670390), (4, 50335195), (5, 40268156), (10, 20134078), (20, 10067039), (181, 1112380), (362, 556190), (724, 278095), (905, 222476), (1810, 111238), (3620, 55619)]