545350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:864

約数の個数: 24

約数和(自身を含む): 1093680

約数和(自身を除く): 548330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 839, 1678, 4195, 8390, 10907, 20975, 21814, 41950, 54535, 109070, 272675, 545350]

約数ペア:

[(1, 545350), (2, 272675), (5, 109070), (10, 54535), (13, 41950), (25, 21814), (26, 20975), (50, 10907), (65, 8390), (130, 4195), (325, 1678), (650, 839)]