64462820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169639}}^1$

素因数の和:169667

約数の個数: 24

約数和(自身を含む): 142497600

約数和(自身を除く): 78034780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 169639, 339278, 678556, 848195, 1696390, 3223141, 3392780, 6446282, 12892564, 16115705, 32231410, 64462820]

約数ペア:

[(1, 64462820), (2, 32231410), (4, 16115705), (5, 12892564), (10, 6446282), (19, 3392780), (20, 3223141), (38, 1696390), (76, 848195), (95, 678556), (190, 339278), (380, 169639)]