25721960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 38663320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1103, 1166, 2120, 2206, 2332, 2915, 4412, 4664, 5515, 5830, 8824, 11030, 11660, 12133, 22060, 23320, 24266, 44120, 48532, 58459, 60665, 97064, 116918, 121330, 233836, 242660, 292295, 467672, 485320, 584590, 643049, 1169180, 1286098, 2338360, 2572196, 3215245, 5144392, 6430490, 12860980, 25721960]

約数ペア:

[(1, 25721960), (2, 12860980), (4, 6430490), (5, 5144392), (8, 3215245), (10, 2572196), (11, 2338360), (20, 1286098), (22, 1169180), (40, 643049), (44, 584590), (53, 485320), (55, 467672), (88, 292295), (106, 242660), (110, 233836), (212, 121330), (220, 116918), (265, 97064), (424, 60665), (440, 58459), (530, 48532), (583, 44120), (1060, 24266), (1103, 23320), (1166, 22060), (2120, 12133), (2206, 11660), (2332, 11030), (2915, 8824), (4412, 5830), (4664, 5515)]