28539560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14561}}^1$

素因数の和:14586

約数の個数: 48

約数和(自身を含む): 74703060

約数和(自身を除く): 46163500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14561, 29122, 58244, 72805, 101927, 116488, 145610, 203854, 291220, 407708, 509635, 582440, 713489, 815416, 1019270, 1426978, 2038540, 2853956, 3567445, 4077080, 5707912, 7134890, 14269780, 28539560]

約数ペア:

[(1, 28539560), (2, 14269780), (4, 7134890), (5, 5707912), (7, 4077080), (8, 3567445), (10, 2853956), (14, 2038540), (20, 1426978), (28, 1019270), (35, 815416), (40, 713489), (49, 582440), (56, 509635), (70, 407708), (98, 291220), (140, 203854), (196, 145610), (245, 116488), (280, 101927), (392, 72805), (490, 58244), (980, 29122), (1960, 14561)]