30825220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81119}}^1$

素因数の和:81147

約数の個数: 24

約数和(自身を含む): 68140800

約数和(自身を除く): 37315580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81119, 162238, 324476, 405595, 811190, 1541261, 1622380, 3082522, 6165044, 7706305, 15412610, 30825220]

約数ペア:

[(1, 30825220), (2, 15412610), (4, 7706305), (5, 6165044), (10, 3082522), (19, 1622380), (20, 1541261), (38, 811190), (76, 405595), (95, 324476), (190, 162238), (380, 81119)]