520025480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2833}}^1$

素因数の和:3210

約数の個数: 64

約数和(自身を含む): 1264077360

約数和(自身を除く): 744051880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 520, 706, 1412, 1765, 2824, 2833, 3530, 4589, 5666, 7060, 9178, 11332, 14120, 14165, 18356, 22664, 22945, 28330, 36712, 36829, 45890, 56660, 73658, 91780, 113320, 147316, 183560, 184145, 294632, 368290, 736580, 1000049, 1473160, 2000098, 4000196, 5000245, 8000392, 10000490, 13000637, 20000980, 26001274, 40001960, 52002548, 65003185, 104005096, 130006370, 260012740, 520025480]

約数ペア:

[(1, 520025480), (2, 260012740), (4, 130006370), (5, 104005096), (8, 65003185), (10, 52002548), (13, 40001960), (20, 26001274), (26, 20000980), (40, 13000637), (52, 10000490), (65, 8000392), (104, 5000245), (130, 4000196), (260, 2000098), (353, 1473160), (520, 1000049), (706, 736580), (1412, 368290), (1765, 294632), (2824, 184145), (2833, 183560), (3530, 147316), (4589, 113320), (5666, 91780), (7060, 73658), (9178, 56660), (11332, 45890), (14120, 36829), (14165, 36712), (18356, 28330), (22664, 22945)]