25990780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4831}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 54794880

約数和(自身を除く): 28804100

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 4831, 5380, 9662, 19324, 24155, 48310, 96620, 1299539, 2599078, 5198156, 6497695, 12995390, 25990780]

約数ペア:

[(1, 25990780), (2, 12995390), (4, 6497695), (5, 5198156), (10, 2599078), (20, 1299539), (269, 96620), (538, 48310), (1076, 24155), (1345, 19324), (2690, 9662), (4831, 5380)]