1326720512

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4241}}^1$

素因数の和:4319

約数の個数: 80

約数和(自身を含む): 2916188352

約数和(自身を除く): 1589467840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 256, 376, 416, 512, 611, 752, 832, 1222, 1504, 1664, 2444, 3008, 3328, 4241, 4888, 6016, 6656, 8482, 9776, 12032, 16964, 19552, 24064, 33928, 39104, 55133, 67856, 78208, 110266, 135712, 156416, 199327, 220532, 271424, 312832, 398654, 441064, 542848, 797308, 882128, 1085696, 1594616, 1764256, 2171392, 2591251, 3189232, 3528512, 5182502, 6378464, 7057024, 10365004, 12756928, 14114048, 20730008, 25513856, 28228096, 41460016, 51027712, 82920032, 102055424, 165840064, 331680128, 663360256, 1326720512]

約数ペア:

[(1, 1326720512), (2, 663360256), (4, 331680128), (8, 165840064), (13, 102055424), (16, 82920032), (26, 51027712), (32, 41460016), (47, 28228096), (52, 25513856), (64, 20730008), (94, 14114048), (104, 12756928), (128, 10365004), (188, 7057024), (208, 6378464), (256, 5182502), (376, 3528512), (416, 3189232), (512, 2591251), (611, 2171392), (752, 1764256), (832, 1594616), (1222, 1085696), (1504, 882128), (1664, 797308), (2444, 542848), (3008, 441064), (3328, 398654), (4241, 312832), (4888, 271424), (6016, 220532), (6656, 199327), (8482, 156416), (9776, 135712), (12032, 110266), (16964, 78208), (19552, 67856), (24064, 55133), (33928, 39104)]