27362780

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1409}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 57561840

約数和(自身を除く): 30199060

約数列:

[1, 2, 4, 5, 10, 20, 971, 1409, 1942, 2818, 3884, 4855, 5636, 7045, 9710, 14090, 19420, 28180, 1368139, 2736278, 5472556, 6840695, 13681390, 27362780]

約数ペア:

[(1, 27362780), (2, 13681390), (4, 6840695), (5, 5472556), (10, 2736278), (20, 1368139), (971, 28180), (1409, 19420), (1942, 14090), (2818, 9710), (3884, 7045), (4855, 5636)]