54407380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19571}}^1$

素因数の和:19719

約数の個数: 24

約数和(自身を含む): 115083360

約数和(自身を除く): 60675980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 19571, 39142, 78284, 97855, 195710, 391420, 2720369, 5440738, 10881476, 13601845, 27203690, 54407380]

約数ペア:

[(1, 54407380), (2, 27203690), (4, 13601845), (5, 10881476), (10, 5440738), (20, 2720369), (139, 391420), (278, 195710), (556, 97855), (695, 78284), (1390, 39142), (2780, 19571)]