155525420

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{5519}}^1$

素因数の和:6937

約数の個数: 24

約数和(自身を含む): 326894400

約数和(自身を除く): 171368980

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 5519, 5636, 7045, 11038, 14090, 22076, 27595, 28180, 55190, 110380, 7776271, 15552542, 31105084, 38881355, 77762710, 155525420]

約数ペア:

[(1, 155525420), (2, 77762710), (4, 38881355), (5, 31105084), (10, 15552542), (20, 7776271), (1409, 110380), (2818, 55190), (5519, 28180), (5636, 27595), (7045, 22076), (11038, 14090)]