16095820

素因数分解:

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

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 37594368

約数和(自身を除く): 21498548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 1997, 2015, 3994, 4030, 7988, 8060, 9985, 19970, 25961, 39940, 51922, 61907, 103844, 123814, 129805, 247628, 259610, 309535, 519220, 619070, 804791, 1238140, 1609582, 3219164, 4023955, 8047910, 16095820]

約数ペア:

[(1, 16095820), (2, 8047910), (4, 4023955), (5, 3219164), (10, 1609582), (13, 1238140), (20, 804791), (26, 619070), (31, 519220), (52, 309535), (62, 259610), (65, 247628), (124, 129805), (130, 123814), (155, 103844), (260, 61907), (310, 51922), (403, 39940), (620, 25961), (806, 19970), (1612, 9985), (1997, 8060), (2015, 7988), (3994, 4030)]