128435725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 187130880

約数和(自身を除く): 58695155

約数列:

[1, 5, 11, 19, 25, 47, 55, 95, 209, 235, 275, 475, 517, 523, 893, 1045, 1175, 2585, 2615, 4465, 5225, 5753, 9823, 9937, 12925, 13075, 22325, 24581, 28765, 49115, 49685, 109307, 122905, 143825, 245575, 248425, 270391, 467039, 546535, 614525, 1351955, 2335195, 2732675, 5137429, 6759775, 11675975, 25687145, 128435725]

約数ペア:

[(1, 128435725), (5, 25687145), (11, 11675975), (19, 6759775), (25, 5137429), (47, 2732675), (55, 2335195), (95, 1351955), (209, 614525), (235, 546535), (275, 467039), (475, 270391), (517, 248425), (523, 245575), (893, 143825), (1045, 122905), (1175, 109307), (2585, 49685), (2615, 49115), (4465, 28765), (5225, 24581), (5753, 22325), (9823, 13075), (9937, 12925)]