51892240

素因数分解:

$2^4\times 5^1\times {\mathrm{648653}}^1$

素因数の和:648666

約数の個数: 20

約数和(自身を含む): 120649644

約数和(自身を除く): 68757404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648653, 1297306, 2594612, 3243265, 5189224, 6486530, 10378448, 12973060, 25946120, 51892240]

約数ペア:

[(1, 51892240), (2, 25946120), (4, 12973060), (5, 10378448), (8, 6486530), (10, 5189224), (16, 3243265), (20, 2594612), (40, 1297306), (80, 648653)]