2003320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 5119200

約数和(自身を除く): 3115880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 157, 220, 232, 290, 314, 319, 440, 580, 628, 638, 785, 1160, 1256, 1276, 1570, 1595, 1727, 2552, 3140, 3190, 3454, 4553, 6280, 6380, 6908, 8635, 9106, 12760, 13816, 17270, 18212, 22765, 34540, 36424, 45530, 50083, 69080, 91060, 100166, 182120, 200332, 250415, 400664, 500830, 1001660, 2003320]

約数ペア:

[(1, 2003320), (2, 1001660), (4, 500830), (5, 400664), (8, 250415), (10, 200332), (11, 182120), (20, 100166), (22, 91060), (29, 69080), (40, 50083), (44, 45530), (55, 36424), (58, 34540), (88, 22765), (110, 18212), (116, 17270), (145, 13816), (157, 12760), (220, 9106), (232, 8635), (290, 6908), (314, 6380), (319, 6280), (440, 4553), (580, 3454), (628, 3190), (638, 3140), (785, 2552), (1160, 1727), (1256, 1595), (1276, 1570)]