8047910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 16111872

約数和(自身を除く): 8063962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1997, 2015, 3994, 4030, 9985, 19970, 25961, 51922, 61907, 123814, 129805, 259610, 309535, 619070, 804791, 1609582, 4023955, 8047910]

約数ペア:

[(1, 8047910), (2, 4023955), (5, 1609582), (10, 804791), (13, 619070), (26, 309535), (31, 259610), (62, 129805), (65, 123814), (130, 61907), (155, 51922), (310, 25961), (403, 19970), (806, 9985), (1997, 4030), (2015, 3994)]