25690240

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 62075160

約数和(自身を除く): 36384920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 293, 320, 548, 586, 640, 685, 1096, 1172, 1370, 1465, 2192, 2344, 2740, 2930, 4384, 4688, 5480, 5860, 8768, 9376, 10960, 11720, 17536, 18752, 21920, 23440, 37504, 40141, 43840, 46880, 80282, 87680, 93760, 160564, 187520, 200705, 321128, 401410, 642256, 802820, 1284512, 1605640, 2569024, 3211280, 5138048, 6422560, 12845120, 25690240]

約数ペア:

[(1, 25690240), (2, 12845120), (4, 6422560), (5, 5138048), (8, 3211280), (10, 2569024), (16, 1605640), (20, 1284512), (32, 802820), (40, 642256), (64, 401410), (80, 321128), (128, 200705), (137, 187520), (160, 160564), (274, 93760), (293, 87680), (320, 80282), (548, 46880), (586, 43840), (640, 40141), (685, 37504), (1096, 23440), (1172, 21920), (1370, 18752), (1465, 17536), (2192, 11720), (2344, 10960), (2740, 9376), (2930, 8768), (4384, 5860), (4688, 5480)]