2079880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 5313600

約数和(自身を除く): 3233720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 163, 220, 232, 290, 319, 326, 440, 580, 638, 652, 815, 1160, 1276, 1304, 1595, 1630, 1793, 2552, 3190, 3260, 3586, 4727, 6380, 6520, 7172, 8965, 9454, 12760, 14344, 17930, 18908, 23635, 35860, 37816, 47270, 51997, 71720, 94540, 103994, 189080, 207988, 259985, 415976, 519970, 1039940, 2079880]

約数ペア:

[(1, 2079880), (2, 1039940), (4, 519970), (5, 415976), (8, 259985), (10, 207988), (11, 189080), (20, 103994), (22, 94540), (29, 71720), (40, 51997), (44, 47270), (55, 37816), (58, 35860), (88, 23635), (110, 18908), (116, 17930), (145, 14344), (163, 12760), (220, 9454), (232, 8965), (290, 7172), (319, 6520), (326, 6380), (440, 4727), (580, 3586), (638, 3260), (652, 3190), (815, 2552), (1160, 1793), (1276, 1630), (1304, 1595)]