64924940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25561}}^1$

素因数の和:25697

約数の個数: 24

約数和(自身を含む): 137421312

約数和(自身を除く): 72496372

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 25561, 51122, 102244, 127805, 255610, 511220, 3246247, 6492494, 12984988, 16231235, 32462470, 64924940]

約数ペア:

[(1, 64924940), (2, 32462470), (4, 16231235), (5, 12984988), (10, 6492494), (20, 3246247), (127, 511220), (254, 255610), (508, 127805), (635, 102244), (1270, 51122), (2540, 25561)]